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LEGO Technic Dragster 42103 Pull-Back Racing Toy Building Kit (225 Pieces)

4.8 4.8 out of 5 stars 4,035 ratings

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  • It’s always race day with this 2-in-1 LEGO Technic Dragster pull-back toy car that rebuilds into a cool Hot Rod!
  • Kids can learn how a dragster works, then lock in the wheelie bar to perform heart-pumping wheelies, or attempt to win the speed record!
  • Pull back and release, it really is that simple; even young racers will be able to recreate the thrill and speed of race day, and they can rebuild their Dragster into a pull-back LEGO Hot Rod!
  • This 2-in-1 LEGO Technic car racing toy sparks imagination, offers endless build-and-play fun, and is a creativity-filled holiday, birthday or anyday gift for kids ages 7+ who like building challenges, hot rods and pull-back toy cars
  • When built, the LEGO Dragster measures over 12” (32cm) long, 4” (12cm) high and 3” (10cm) wide, making this building toy just the right size for race-day role-play

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LEGO Technic Dragster 42103 Pull-Back Racing Toy Building Kit (225 Pieces)


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Product Description

Give your little racing driver a cool challenge with this LEGO Technic Dragster. They’ll love learning how to assemble their very own Dragster model kit. Once built, the fun goes on. Set up the mini traffic lights then pull back the toy car and release to send it zooming along. Kids will love the bold colors of this car. See the flames shooting from the exhaust, just like a real dragster! And with this 2-in-1 set, kids can develop problem-solving skills, rebuilding the drag racing toy into an ace pull-back Hot Rod. Which is their favorite? The wheelie-performing Dragster or the super-cool Hot Rod? The LEGO Technic universe offers advanced building toys for young LEGO fans ready for their next building challenge. Printed instructions are included. Or to discover a fun new way to build the model drag car, see the digital Instructions PLUS, from the free LEGO Life app. With zoom and rotate tools, this cool app helps kids build independently.

Important information

Safety Information

No


From the manufacturer

42103

LEGO Technic Dragster building kit

Kids will enjoy a cool challenge as they build their own pull-back Dragster, ready to race.

42103

Easy-to-use digital building instructions

Using Digital Instructions PLUS via the LEGO Life app, kids aged 7+ can zoom, rotate and visualize the set as they build.

LEGO Technic Dragster

42103

42103

42103

A fun build for race-car fans

Kids will love building the cool Dragster.

Awesome pull-back action

Send the Dragster speeding along or perform a wheelie!

Endless role-play adventures

Recreate the thrill of the racetrack for epic play.

42103

42103

42103

The action never slows

Rebuild the Dragster into an amazing pull-back Hot Rod.

Easy to handle

Pull-back action puts kids in control.

Twice the fun!

With 2 models in 1, playtime lasts even longer.

42103

Inspire imaginative play

Kids will love exploring everything their Hot Rod can do, with lots of opportunity for creative play once the model is built.

What's in the box

  • LEGO Building Elements
  • Looking for specific info?

    Customer reviews

    4.8 out of 5 stars
    4.8 out of 5
    4,035 global ratings

    Customers say

    Customers like the quality, fun, ease of assembly, smoothness, and value of the toy building block. For example, they mention that it's a great set, extra fun for Lego enthusiasts, and easy to put together. They appreciate the pull back action, which brings the set to life. Customers also appreciate entertainment value, and gift.

    AI-generated from the text of customer reviews

    24 customers mention24 positive0 negative

    Customers are satisfied with the quality of the toy building block. They mention it's a great set, and a wonderful build. Some appreciate the pull-back racing action. Overall, customers are happy with their purchase and recommend it to others.

    "...They are really amazing. My three year old can slam his brothers cars to the ground attempting to race them and they hold up...." Read more

    "...both sets b models are great, and having new pullback motors in them just adds to the fun! highly recommend them for any lego fans!" Read more

    "...It's pretty cool. Heck, I'm in my 30's and I got a kick out of it!" Read more

    "Product is great. Box arrived damaged." Read more

    10 customers mention10 positive0 negative

    Customers find the toy building block to be a lot of fun. They say the pullback motors in them add to the fun. Customers also say the tote is great for kids and keeps them busy for a few hours. They also mention that it helps build mechanical skills.

    "It became his favorite toy. It helped to build his mechanical skills. The 6 year old would not let anyone help him assemble the racer...." Read more

    "...b models are great, and having new pullback motors in them just adds to the fun! highly recommend them for any lego fans!" Read more

    "...Fun toy." Read more

    "This was alot of fun for my son. This brought him tons of enjoyment. He was very happy to have this toy." Read more

    9 customers mention9 positive0 negative

    Customers find the toy building block easy to assemble. They mention it's fun, and would make a great gift for anyone into racing or dragsters. Customers also appreciate the continuity of instructions.

    "It was so easy to put together and would make a great gift for anyone that likes legos." Read more

    "Loved the challenge of assembling, hardy, does not fall apart even tho it is Lego" Read more

    "Cool LEGO assembly. Really does move. Always great products from LEGO." Read more

    "Easy to put together, fun to play with. Does wheelies!" Read more

    6 customers mention6 positive0 negative

    Customers are satisfied with the smoothness of the toy building block. They mention that the pull back motion is smooth and powerful enough to make the dragster so small. The pull back action is a great feature that brings their LEGO sets to life.

    "...With the pull back motion it is a nice toy as long as he keeps it in one piece!" Read more

    "...The pull back action is a great feature as it bring his lego sets to life. He was amazed that it actually pops a wheelie at take off. Great set!" Read more

    "My kid is lego crazy, but he loved this one. It is a pull back racer, which is awesome...." Read more

    "...He has had much fun playing with it. The pull back motion is smooth and powerful enough to make the dragster so a small wheelie." Read more

    5 customers mention5 positive0 negative

    Customers appreciate the value of the toy building blocks. They say it's a great buy and good value for the price.

    "The LEGO Technic kit is sturdy and playable under US$20. The youngest in my family is 3 years old...." Read more

    "Definitely a great price" Read more

    "Got this for my nephew and he loves it!! Great buy and great value." Read more

    "Great price..." Read more

    4 customers mention4 positive0 negative

    Customers like the entertainment value of the toy building blocks. They say it's functional, and their child loves playing with it.

    "...The youngest in my family is 3 years old. He also plays very happily and is not easy to break." Read more

    "...He was able to put it together by himself and loves playing with it." Read more

    "My son loves this and it actually works!" Read more

    "great and functional..." Read more

    4 customers mention4 positive0 negative

    Customers find the toy building blocks a great gift, with loads of fun building and playing.

    "Perfect gift for my 10-year old daughter..." Read more

    "Great gift!..." Read more

    "Great gift loads of fun building and playing..." Read more

    "Good gift..." Read more

    3 customers mention0 positive3 negative

    Customers are dissatisfied with the condition of the toy building blocks. They mention that the box was a little bit beat up, and mostly trashed.

    "Product is great. Box arrived damaged." Read more

    "...The only complaint that I have, if any, was that the box was a little bit beat up... but he didn’t seam to mind. All in all, a great product." Read more

    "Mostly the box was trashed. If I wanted to gift it I can’t. If I wanted to keep it as a collectible, I can’t...." Read more

    Fun and easy
    5 Stars
    Fun and easy
    It was so easy to put together and would make a great gift for anyone that likes legos.
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    Reviewed in the United States on January 28, 2021
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    Top reviews from other countries

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    Ursula Stouffer
    5.0 out of 5 stars Fantastic vehicle, so much fun!
    Reviewed in Canada on July 28, 2021
    Susan D.
    5.0 out of 5 stars Great car.
    Reviewed in the United Kingdom on January 13, 2024
    Customer image
    Susan D.
    5.0 out of 5 stars Great car.
    Reviewed in the United Kingdom on January 13, 2024
    Great lego.easy to put together. Great car.lovely colour.tuck 20mins to put together. If that.
    Images in this review
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    Onkelbalueins
    5.0 out of 5 stars Super Spielzeug
    Reviewed in Germany on May 9, 2022
    Rodrigo Mesquita
    5.0 out of 5 stars Lego incrível
    Reviewed in Brazil on June 8, 2020
    Amazon Customer
    5.0 out of 5 stars Muito legal!!!!
    Reviewed in Brazil on October 16, 2021