DIY Marble Run Chocolate Factory Toy Set - STEM Educational Building Kit for Kids - Fun & Creative Play for Home, Classroom & Party Games

The Chocolate Factory marble run is like none other we've had before! It features a colorful design, lights, and glossy marbles in various colors. It's an intricate 3D wooden puzzle that showcases an effective engineering design combined with lots of fun aspects. Full of twists, turns, and spirals, this marble run is a thrill to watch! It is run completely by mechanical means—no battery needed!

• Assembled size 10.04 x 6.69 x 12.2 inches. • 420 pieces