build-your-own racer

noun
UK /ˌbɪld jɔːr əʊn ˈreɪsə/
US /ˌbɪld jʊr oʊn ˈreɪsər/

A build-your-own racer is a toy car you put together yourself.

My brother got a build-your-own racer for his birthday and assembled it in an hour.


OTHER MEANINGS

2. A video game mode where players design and tune their own racing vehicle.

In the game's build-your-own racer mode, you can swap engines and paint the body.

3. A workshop activity where children construct small cars from parts.

The science fair had a build-your-own racer station with wheels, axles, and cardboard bodies.

4. A customizable racing vehicle sold as separate parts for hobbyists.

He entered the local derby with a build-your-own racer he modified all winter.