Lego Technic App-Controlled Transformation Vehicle 42140, Off Road Remote Control Car, Building Car Kit That Flips, 2in1 RC Truck and Race Car Toy, Great Gift for Boys, Girls, Kids Who Love RC Cars
Condition: New
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Returnable until Jan 31, 2026
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Availability:
Only 5 left in stock, order soon!
Arrives
Apr 5 – Apr 8
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Features
- 772 plastic pieces
- Completed vehicle measures approx. 10"L x 7.5"W x 4.5"H
- Double-sided vehicle flips when it hits a wall or other obstacle
- Control the vehicle using free downloadable smartphone app - see item package
- Requires 6 AA batteries, not included
Description
This is a LEGO Technic App-Controlled Transformation Vehicle.
Product Dimensions: 3.7 x 10.31 x 15.04 inches
Item Weight: 2.6 pounds
Item model number: 42140
Manufacturer recommended age: 9 years and up
Batteries: 1 AA batteries required. (included)
Manufacturer: LEGO
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Apr 5 – Apr 8
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
My grandson, really enjoyed making this. Put a piece in wrong and had to go back and fix it, but overall a good Christmas gift! Still uses it today!
Reviewed in the United States on November 25, 2025 by Vicki Miller
High quality as expected from Lego and went together very easily. Ton of fun once built and provided many hours of enjoyment driving it around the house and into the walls. If you are debating getting this or a no name brand go for this as it is really worth it.
Reviewed in the United States on January 1, 2024 by Jackie
If you want a good Lego set and a remote control toy, then this set is a perfect purchase. The vehicle is very flexible and agile, specifically designed for flip overs. Does not drag on floor when flips to any side, it properly readjusts and has tiny wheels to avoid any dragging. The tracks have little rubber tips to grab onto the floor.
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Reviewed in the United States on December 28, 2023 by Vlad3368
This is a discontinued model, and when we went to Legoland to look for it, the sales associate said it was their favorite LEGO kit of all time. Sold! Definitely a challenge, but that is part of the fun. Two cars in one because it flips over. We keep it indoors as dirt might foul it up and it is too awesome to subject it to damage.
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Reviewed in the United States on January 30, 2024 by Whistler ski
my son loves it set. it was a great mix between he love to put legos together and his love of tech items. So far it has worked well. few issues getting the app setup the first time but think it was an issue with the batteries in the car. Fun to play with and so far seems to get around anywhere.
Reviewed in the United States on February 14, 2025 by Joshua and Sharon Hood
This reminded me of the Tyco Rebound from the 90s because it can drive up a wall and flip over, it's pretty fun to play with. The build was pretty good, not too challenging or too easy. The controls are a little weird because you control the left and right tracks by sliding your left and right fingers up and down, but because it's a phone screen you don't have that tactile feedback you would have with a controller with buttons or joysticks. It's fun though. I hoped my cat would play with it, but the motors make a high pitched whine that scares him. It uses 6 AA batteries, which is kind of a lot. I got some rechargeables and there is a battery meter in the app, it doesn't seem to draw a lot of power.
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Reviewed in the United States on May 10, 2022 by D. Long
Six year old had his heart set on this. I was hesitant because it’s meant for an older kid but finally caved and was amazed that he did it himself! Really cool build, the app works great and gives another layer to play- we make obstacle courses for it and watch it flip and turn.
Reviewed in the United States on January 18, 2024 by M.J.
The media could not be loaded. Awesome Lego Set for 8+ years kids
Reviewed in the United States on December 23, 2024 by Best Lego ever.