KiwiCo Kiwi Crate Science Kit Record Racer Building set Engineering racetrack

KiwiCo Kiwi Crate Science Kit Record Racer Building set Engineering racetrack track Assembled once and disassembled. All pieces included. Race and dodge obstacles with a mechanical racing game you engineer yourself. Construct a spinning racetrack with a potentiometer that lets you control the spinning speed. Topics explored: gears & linkages, electronics, and mechanical video games Outer box is a bit crushed during shipping, but it does not effect the internal contents. Comes from a pet-free and smoke-free home. Fast shipping. Trusted Seller = Buy with confidence.