200+ Circuit Builds in One Kit One compact electronics kit designed to support over 200 different circuit builds using interchangeable snap-style components.

BUILD YOUR OWN RACE CAR MODEL: Kids ages 10 and up can assemble a working, motorized race car model and discover how real automobiles work as they snap together the durable components.

Trusted by Families Worldwide - With over 50 million sold, ThinkFun is the world's leader in brain and logic games.

Trusted by Families Worldwide – With over 50 million sold, ThinkFun is the world’s leader in brain and logic games.

Trusted by Gamers Worldwide - With over 50 million sold, ThinkFun is the world's leading manufacturer of brain games and mind challenging puzzles