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LEGO Technic BASH! 42073 Building Kit (139 Pieces)

4.7 4.7 out of 5 stars 3,771 ratings

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Purchase options and add-ons

  • Build a fast car with a powerful pull-back motor, sturdy front bumper, large rear spoiler, wide black rims with low profile tires and an engine that pops out on impact
  • Combine this crash car toy with the LEGO Technic 42072 WHACK! to create an awesome WHACK! ‘N’ BASH! combo model with two pop out engines
  • Measures over 2-inch (7cm) high, 6-inch (17cm) long and 3-inch (9cm) wide Combi model measures over 3-inch (9cm) high, 7-inch (20cm) long and 3-inch (10cm) wide
  • 139 pieces – For boys and girls between the ages of 7 and 14
  • LEGO Technic building sets are compatible with all LEGO construction sets for creative building

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LEGO Technic BASH! 42073 Building Kit (139 Pieces)


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Product Description

Experience the amazing power and acceleration of this rugged, high-speed LEGO Technic 42073 BASH! race car model, featuring a red, black and gray color scheme with racing stickers, sturdy front bumper, large rear spoiler and wide black rims with low profile tires. This advanced building set is equipped with a pull-back motor, and an engine pop-out function, which is activated on impact. Combine with the 42072 WHACK! pull-back model for extended play possibilities or to create the WHACK! ‘N’ BASH! combo model.

Important information

Safety Information

No


From the manufacturer

Pull back, race, and crash

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

Tough power and speed

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

LEGO Technic Bash

Pull back

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

Release to race

Let go and watch the Bash 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 for impact

Heavy-duty front bumper.

Built to race

Huge, chunky low-profile tires and wide rims.

Built for speed

Big rear spoiler.

Race or combine

Race against 42072 whack set–or combine both into a super racer.

What's in the box

  • LEGO Building Elements
  • Product guides and documents

    Looking for specific info?

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    3,771 global ratings

    Customers say

    Customers like the quality, ease of construction, age range and value of the toy building block. For example, they mention it's well made, fun to put together and a perfect gift for kids. They appreciate the easy to follow instructions. Customers also appreciate the design.

    AI-generated from the text of customer reviews

    76 customers mention72 positive4 negative

    Customers are satisfied with the quality of the toy building block. They mention that it is well-made, durable, and fun to build. Some say that the product was not delivered in good condition.

    "This is a really robust fun toy! I..." Read more

    "...The car itself held up extremely well as it was run into objects over and over again and never lost a piece off the car...." Read more

    "...This product is sturdy, engaging, moves quite well. Recommend— buy it for kids 8-12ish who are drifting away from classic legos." Read more

    "...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

    59 customers mention59 positive0 negative

    Customers find the construction of the toy building block to be easy and fun. They also say it's a fantastic time pass for kids to put the pieces together. Overall, customers are satisfied with the ease of construction.

    "...This product is sturdy, engaging, moves quite well. Recommend— buy it for kids 8-12ish who are drifting away from classic legos." Read more

    "...And the fun factor of the pop-out engine is clever. Great toy for a very reasonable price." Read more

    "...Otherwise, it’s a pretty easy build. Definitely fun to play with. I enjoyed playing with the cars myself...." Read more

    "Buying more! This is a great toy! My sons Are both autistic and absolutely love this toy! Pull it back and it really moves fast!..." Read more

    49 customers mention49 positive0 negative

    Customers find the toy building block awesome, perfect for birthday parties, and a great gift for kids. They say the technic sets are great for younger kids as they tend to be a little more durable. Customers also say the set works great as a present and is good for lots of age groups. They mention that it's great for teaching boys a skill in taking apart things and putting them back together, and is a good challenge for a six year old.

    "...He was able to assemble the whole thing on his own but it was a good challenge for him...." Read more

    "My children enjoy these LEGO pull back cars. They work well. Children 8 and younger will need assistance to build...." Read more

    "Lego is always a favorite at our house. The technic sets are great for younger kids as they tend to be a little more durable, but are a little more..." Read more

    "Worked great as a present. Lego fans enjoyed them" Read more

    48 customers mention34 positive14 negative

    Customers find the toy building blocks easy to put together and follow the instructions. They also say the cars are fun to assemble and race. Some customers also mention that the instructions are not too easy for their children. Overall, customers are satisfied with the ease of assembly of the tow car set.

    "...His dad had to help him assemble it (about 20 minutes) The instructions were easy to follow and he loved the action of the engine popping out when..." Read more

    "...They were a big hit! Fun for them to assemble, with a little help from mom, and lots of fun to play with...." Read more

    "...Technic assembly is harder tho, so don’t be surprised if adult assist is needed. This product is sturdy, engaging, moves quite well...." Read more

    "...I like that these specific pieces seem to stay together better than the LEGO block ones." Read more

    28 customers mention24 positive4 negative

    Customers like the value of the toy building blocks. They say it's good for the price, a great size and project for $15, and well worth it.

    "...I especially liked that it was a kit of some substance for a reasonable price, and this one can bear out lots and lots of use and reuse...." Read more

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

    "...Great toy for a very reasonable price." Read more

    "...The price is good because it has quite a few pieces, it is beautiful and it moves fast." Read more

    19 customers mention19 positive0 negative

    Customers are satisfied with the design of the toy building block. They mention that the car is pretty neat, with big rubber tires. The two vehicles look great together.

    "...This one doesn't fall into that category, and, man! Does it look cool!" Read more

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

    "...The price is good because it has quite a few pieces, it is beautiful and it moves fast." Read more

    "...The car is pretty neat, with the big rubber tires being one of the fun aspects...." Read more

    10 customers mention10 positive0 negative

    Customers are satisfied with the speed of the toy building block. They mention that it goes really fast and that they can pull it back and it speeds forward.

    "...It doesn’t use too many standard LEGO pieces. It goes really fast! Kid loves playing with it, crashing it into things and putting it back together." Read more

    "...It goes pretty far and fast, too." Read more

    "Shipping was fast, my son will love this" Read more

    "My son loved it, you can pull it back and it speeds forward!" Read more

    This is such a robust and fun toy to build & play!
    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

    Reviewed in the United States on April 22, 2018
    Customer image
    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 image Customer image
    Customer imageCustomer image
    13 people found this helpful
    Report
    Reviewed in the United States on December 26, 2019
    Reviewed in the United States on December 1, 2019
    4 people found this helpful
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    Reviewed in the United States on December 28, 2019
    Reviewed in the United States on August 19, 2018
    4 people found this helpful
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    Reviewed in the United States on January 1, 2020
    Reviewed in the United States on July 27, 2019
    3 people found this helpful
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    Reviewed in the United States on December 3, 2018
    7 people found this helpful
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    Top reviews from other countries

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    E1977
    5.0 out of 5 stars Lego Car
    Reviewed in Canada on July 26, 2021
    Eros Morais
    5.0 out of 5 stars Tem motor a fricção!
    Reviewed in Brazil on November 1, 2019
    Mauricio De penkoff
    5.0 out of 5 stars Buen Modelo
    Reviewed in Mexico on January 10, 2019
    Valeria
    5.0 out of 5 stars macchina Lego crash
    Reviewed in Italy on May 16, 2020
    Boissière Marie
    5.0 out of 5 stars Impec
    Reviewed in France on December 27, 2019