Fun construction kit to build an exciting light-up marble run with 92 pieces.
Explore engineering and physics the fun way with this cool kit! So easy to do, simply follow along with the illustrated instructions as you snap the pieces together and build your marble run. There are three configurations to choose from, each with fun twists, turns and stunts. Once finished, drop a marble in the top and watch it wind its way to the bottom! Integrated LED spotlights mean you can race even in the dark. Marble-ous!