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LEGO Technic WHACK! 42072 Building Kit with Pull Back Toy Stunt Car, Popular Girls and Boys Engineering Toy for Creative Play (135 Pieces)

4.7 4.7 out of 5 stars 5,112 ratings
$56.99 with 11 percent savings
Typical price: $63.92
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Purchase options and add-ons

  • Kids can be a part of the action with this high-speed LEGO Technic 42072 WHACK! model car This crash car is the perfect action toy to race against stunt cars and other toy vehicles Kids will be engaged in creative play for hours
  • This STEM toy lets kids build a toy car with a powerful pull-back motor, sturdy front bumper, large rear spoiler, wide black rims with low profile tires and a toy engine that pops out on impact Kids will build a top race car with these accessories
  • Combine this stunt car toy with the LEGO Technic 42073 BASH! to create an awesome WHACK! ‘N’ BASH! combo crash perfect for group play Plus, each model car kit comes with a toy engine that will pop out when the cars crash
  • LEGO Technic sets are compatible with all LEGO building sets for hours of group play Kids can pull back, release to race and crash with a variety of other LEGO Technic stunt toys and pull back toys
  • Crash car measures over 2” (6cm) high, 6” (17cm) long and 3” (9cm) wide Combi model measures over 3” (9cm) high, 7” (20cm) long and 3” (10cm) wide 135 pieces Model car kit is perfect for boys and girls between the ages of 7 and 14
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Frequently bought together

LEGO Technic WHACK! 42072 Building Kit with Pull Back Toy Stunt Car, Popular Girls and Boys Engineering Toy for Creative Play
This item: LEGO Technic WHACK! 42072 Building Kit with Pull Back Toy Stunt Car, Popular Girls and Boys Engineering Toy for Creative Play (135 Pieces)
$56.99
Get it as soon as Monday, Mar 17
In Stock
Sold by AQUARIUM SUPPLIERS LLC and ships from Amazon Fulfillment.
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LEGO Technic BASH! 42073 Building Kit (139 Pieces)
$39.89
Get it as soon as Saturday, Mar 15
Only 8 left in stock - order soon.
Sold by ScentBrick and ships from Amazon Fulfillment.
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LEGO Technic WHACK! 42072 Building Kit with Pull Back Toy Stunt Car, Popular Girls and Boys Engineering Toy for Creative Play (135 Pieces)

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Product Description

Kids can experience the amazing power and acceleration of this high-speed LEGO Technic 42072 WHACK! model car. This crash car features a lime-green, red and gray color scheme with racing stickers, sturdy front bumper, large rear spoiler and wide black rims with low profile tires. This advanced building kit comes with a race car equipped with a pull-back toy motor and a new-for-December-2017 toy engine pop-out function, which is activated on impact. Combine with the 42073 BASH! pull-back model for creative play possibilities or to create the WHACK! ‘N’ BASH! combi model.

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Top Brand: LEGO

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From the manufacturer

Pull back, race, and crash!

Build a racing vehicle or combine with the LEGO Technic BASH! set.

Rugged power and speed!

A tough model with a pull-back motor and an engine pop out function.

LEGO Technic WHACK!

Pull back…

Activate the powerful pull-back motor to experience amazing power and acceleration.

Release to race…

Let go and watch the Whack ! racer zoom into action at maximum speed.

…And Crash !

Watch the engine pop out of the car body on impact! When you’re done, reset it and race again.

Built to race!

Low-profile tires with wide rims for the ultimate grip!

Race or combine!

Race against 42073 BASH! set – or combine both into a super racer!

What's in the box

  • LEGO Building Elements

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    Customer reviews

    4.7 out of 5 stars
    5,112 global ratings

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    Customers say

    Customers find the toy building blocks fun to play with once built. They appreciate the quality, value, and ease of assembly. Many find them a great gift for kids, especially those who like challenges. The instructions are easy to follow and the blocks stay together even with rough play.

    AI-generated from the text of customer reviews

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    Fun to play withQualityGift valueEase of assemblyBuild qualityValue for moneyLooksPull-back feature
    111 customers mention "Fun to play with"111 positive0 negative

    Customers find the toy building blocks fun to play with. They mention the pull-back feature makes them run, making it an enjoyable activity at the same time. The blocks are easy to build and fun to crash into other objects. Many customers find them interactive and a great project for their children to complete.

    "It’s a Lego building kit. Boys will love to assemble it and play with it. It runs. And it can be combined with other compatible Lego kits." Read more

    "...He was really excited to build it." Read more

    "...and two are delightfully complementary. construction is simple and yet yields a sufficiently durable roadster to withstand youthful playful..." Read more

    "...This is the perfect toy!..." Read more

    103 customers mention "Quality"103 positive0 negative

    Customers appreciate the quality of the toy building blocks. They say it's a great LEGO product that turns into an awesome car. The set stays together well even with rough crashes, and is worth the price. Lego fan nephews loved it and it worked well as a gift.

    "...They are AWESOME!..." Read more

    "...This has worked out very well for the children and is wonderfully easy for me. Who could ask for more?" Read more

    "Both my sons 7 and 4 years old loved the lego technic whack set, I bought two this green one and the red one that goes with it so they could race..." Read more

    "This is a nice change from the standard LEGO kit that my kids’ put together and then take apart to remix into other creations or leave on display...." Read more

    77 customers mention "Gift value"77 positive0 negative

    Customers appreciate the gift value of the toy building blocks. They say it's a nice, trendy gift for kids and makes Christmas that much better.

    "...Overall, it was a Great gift and great purchase. No regrets" Read more

    "Great boys gift & easy, affordable shipping!!!..." Read more

    "This is an excellent gift for little ones who love hands on, toys and activities. Very fun to make and create, exciting toy all around...." Read more

    "...and combined with the red car can make an entirely new car... awesome for gifts..." Read more

    68 customers mention "Ease of assembly"55 positive13 negative

    Customers find the toy building blocks easy to assemble for their 5-year-old children. They read the instructions carefully and have fun putting it together. The blocks are challenging but not overwhelming, and it's simple to reattach after collisions.

    "It’s a Lego building kit. Boys will love to assemble it and play with it. It runs. And it can be combined with other compatible Lego kits." Read more

    "...This has worked out very well for the children and is wonderfully easy for me. Who could ask for more?" Read more

    "...It's a bit challenging to 5 Y.O., but not overwhelming...." Read more

    "...piece that flies off after a collision, and then it is super easy to put it back on!..." Read more

    51 customers mention "Build quality"49 positive2 negative

    Customers appreciate the toy's build quality. They find it durable, holding together better than other Lego sets, and constructed well. The toy is more interactive and kids are not afraid of breaking the pieces. It goes forward fast and steady, taking many hits without damage or dents to the boxes.

    "...He loves the pull-back feature. These Technic LEGO sets are more durable than other sets which is a plus bc my son is really rough with them...." Read more

    "...RACE his car (and jump it off of the dining room table 😳), and it has remained intact. In our house, that’s a BIG deal ❤️...." Read more

    "...kids. Compared to Technic Stunt Bike, this pair run farther (less resistance after the wind-up motor runs out of propulsion)..." Read more

    "...construction is simple and yet yields a sufficiently durable roadster to withstand youthful playful abuse...." Read more

    38 customers mention "Value for money"38 positive0 negative

    Customers appreciate the toy building blocks for their value and fun. They find them a great purchase and gift for kids.

    "...They are a little harder to put together but totally worth it!..." Read more

    "...Overall, it was a Great gift and great purchase. No regrets" Read more

    "...Both kids age 10 and 8 plus my husband loved this set. Great value for your money." Read more

    "...I know they will love it. The price was a steal!" Read more

    29 customers mention "Looks"29 positive0 negative

    Customers like the car's appearance. They say it looks cool, sturdy, and has nice windup back tires. The design is good and the toy comes out nicely when put together.

    "...Those are super cool looking!!" Read more

    "...Turned out very nice though with Mama's help..but I noticed a couple pieces left over after the little project was finished...." Read more

    "...Pull back engine is a little weak. Car looks very cool and has room for a lego guy not included I think to sit in the seat." Read more

    "...It’s great, super cool when it’s together. I don’t like doing LEGO so this was not easy or fun for me to help with." Read more

    14 customers mention "Pull-back feature"14 positive0 negative

    Customers appreciate the pull-back feature of the toy building blocks. They like that the engine flies out when the car crashes. The pull-back and release mechanism works well, and the pull-back action allows the car to go forward on its own.

    "...He loves the pull-back feature. These Technic LEGO sets are more durable than other sets which is a plus bc my son is really rough with them...." Read more

    "...I thought this was great because it also pulls back and drives. He was really excited to build it." Read more

    "...I loved watching his face when he discovered the pull-back motor...." Read more

    "...We had to help, of course. The pull back action works really well...." Read more

    This is such a robust and fun toy to build & play!
    5 out of 5 stars
    This is such a robust and fun toy to build & play!
    This is a really robust fun toy! I (as well as my 5 y.o. boy) really liked LEGO Technic Stunt Bike (42058) because that doesn't break when kids play tough unlike regular lego! So I bought both Whack (42072) & Bash (42073) for my son & his friend. It's a bit challenging to 5 Y.O., but not overwhelming. I think it's just right amount to stimulate & develop cognitive & fine motor skills for 5~8 y.o. kids. Compared to Technic Stunt Bike, this pair run farther (less resistance after the wind-up motor runs out of propulsion), although the initial acceleration is slower. Also boys love these bad-ass racers more because they have something that breaks (sort of) when crash. You know... boys smile when something runs fast but they cracks when something breaks ;) I think it's a clever idea to include a built-in controlled-breaking mechanism.
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    Top reviews from the United States

    • L Fitzgerald
      5.0 out of 5 stars Technics are the BEST!!
      Reviewed in the United States on August 19, 2018
      Color: MulticolorVerified Purchase
      There are no better LEGO sets than these Technics. They are a little harder to put together but totally worth it! My son is 7-1/2, so on the low end of the 7-14 age range but he still put it all together by himself. He loves the pull-back feature. These Technic LEGO sets are more durable than other sets which is a plus bc my son is really rough with them. He loves dropping them from counter height to show everyone how tough they are. When dropped on the wheels they don’t shatter and come apart. He has broken an axle once and we found you can buy those separately if needed. He has almost all the under $20 kits. Planning to buy them again to make the combination builds. Those are super cool looking!!
      7 people found this helpful
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    • Amazon Customer
      5.0 out of 5 stars A Lego that you’re kids can build AND play with!
      Reviewed in the United States on May 9, 2020
      Color: MulticolorVerified Purchase
      I wanted to take a quick minute to share my review of Lego technics! My kiddos are huge Lego fans, but unfortunately, large Lego creations are not entirely suited for multiple moves or constant traveling.
      However, we recently purchased a few of these for our own children, as well as for gifts, and. They are AWESOME! After building his race car, my third grader was actually able to RACE his car (and jump it off of the dining room table 😳), and it has remained intact. In our house, that’s a BIG deal ❤️.
      2 people found this helpful
      Helpful
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    • Zer
      5.0 out of 5 stars Awesome, awesome, awesome!
      Reviewed in the United States on April 23, 2019
      Color: MulticolorVerified Purchase
      This was supposed to be an introductory set for my 7, soon to be 8 year old. He is just getting into Legos but the instructions were too difficult for him to do alone. Turned out very nice though with Mama's help..but I noticed a couple pieces left over after the little project was finished. Overall, it was a Great gift and great purchase. No regrets
      Helpful
       Report
    • mq cox
      4.0 out of 5 stars Great gift for boys
      Reviewed in the United States on July 12, 2019
      Color: MulticolorVerified Purchase
      It’s a Lego building kit. Boys will love to assemble it and play with it. It runs. And it can be combined with other compatible Lego kits.
      Helpful
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    • Francisco
      5.0 out of 5 stars la calidad
      Reviewed in the United States on September 5, 2024
      Color: MulticolorVerified Purchase
      excelente calidad y buen preció
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    • Hazelnut
      5.0 out of 5 stars Age-appropriate for preteen
      Reviewed in the United States on July 27, 2019
      Color: MulticolorVerified Purchase
      I like to send gifts to my grandchildren, but since I don't travel and they are far away, I choose gender-and-age-appropriate toys as they are shown on Amazon. I confer online with their parents as to interests, and go from there. This has worked out very well for the children and is wonderfully easy for me. Who could ask for more?
      Helpful
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    • AmazonDweller
      5.0 out of 5 stars This is such a robust and fun toy to build & play!
      Reviewed in the United States on April 22, 2018
      Color: MulticolorVerified Purchase
      This is a really robust fun toy! I (as well as my 5 y.o. boy) really liked LEGO Technic Stunt Bike (42058) because that doesn't break when kids play tough unlike regular lego! So I bought both Whack (42072) & Bash (42073) for my son & his friend. It's a bit challenging to 5 Y.O., but not overwhelming. I think it's just right amount to stimulate & develop cognitive & fine motor skills for 5~8 y.o. kids. Compared to Technic Stunt Bike, this pair run farther (less resistance after the wind-up motor runs out of propulsion), although the initial acceleration is slower. Also boys love these bad-ass racers more because they have something that breaks (sort of) when crash. You know... boys smile when something runs fast but they cracks when something breaks ;) I think it's a clever idea to include a built-in controlled-breaking mechanism.
      Customer image
      AmazonDweller
      5.0 out of 5 stars
      This is such a robust and fun toy to build & play!

      Reviewed in the United States on April 22, 2018
      This is a really robust fun toy! I (as well as my 5 y.o. boy) really liked LEGO Technic Stunt Bike (42058) because that doesn't break when kids play tough unlike regular lego! So I bought both Whack (42072) & Bash (42073) for my son & his friend. It's a bit challenging to 5 Y.O., but not overwhelming. I think it's just right amount to stimulate & develop cognitive & fine motor skills for 5~8 y.o. kids. Compared to Technic Stunt Bike, this pair run farther (less resistance after the wind-up motor runs out of propulsion), although the initial acceleration is slower. Also boys love these bad-ass racers more because they have something that breaks (sort of) when crash. You know... boys smile when something runs fast but they cracks when something breaks ;) I think it's a clever idea to include a built-in controlled-breaking mechanism.
      Images in this review
      Customer imageCustomer image
      79 people found this helpful
      Helpful
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    • mrsmel269
      5.0 out of 5 stars Great gift
      Reviewed in the United States on January 2, 2020
      Color: MulticolorVerified Purchase
      We got this as a gift for a friend's 9 year old son. He asked for legos for Christmas and we were looking for something he could build and would enjoy playing with. I thought this was great because it also pulls back and drives. He was really excited to build it.
      Helpful
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    Top reviews from other countries

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    • Amazon Customer
      5.0 out of 5 stars Excelete calidad y tiempo de entrega
      Reviewed in Mexico on October 3, 2019
      Color: MulticolorVerified Purchase
      Excelete calidad y tiempo de entrega
      Report
    • Amazon Customer
      5.0 out of 5 stars Great
      Reviewed in the United Kingdom on November 21, 2020
      Color: MulticolorVerified Purchase
      My grandson loved it
      Report
    • Tumeden
      5.0 out of 5 stars Great product, great price.
      Reviewed in Canada on January 7, 2019
      Color: MulticolorVerified Purchase
      This made a wonderful gift for my son. Definitely worth the value for the quality of toy it is.
      Report
    • Mary1601
      5.0 out of 5 stars Top
      Reviewed in France on April 21, 2020
      Color: MulticolorVerified Purchase
      Parfait occupe un moment
      Report
    • dicky123
      5.0 out of 5 stars LEGO Technic 42072
      Reviewed in Germany on December 22, 2019
      Color: MulticolorVerified Purchase
      Prompte Lieferung, alles bestens!
      Report