construct-and-race kit
nounUK /kənˈstrʌkt ənd reɪs kɪt/
US /kənˈstrʌkt ənd reɪs kɪt/
A set of parts you build into a toy and then race.
My brother got a construct-and-race kit for his birthday and built a little car.
OTHER MEANINGS
2. A classroom activity where children build vehicles from materials and then race them.
The science lesson used a construct-and-race kit to teach about wheels and axles.
3. A hobby set for older children and adults to assemble detailed racing models.
He spent the weekend with a construct-and-race kit, finishing a tiny race car.
4. A party game package with materials for guests to build and race small vehicles.
The birthday party featured a construct-and-race kit so every kid could make a car.