National Geographic Motorized Marble Run 75 Piece Set

Explore the world of engineering, gravity, and motion. Configurations are endless, allowing kids to build and re-build multiple marble runs as they play. Includes transparent track pieces so you can follow your marble through the whole track.
Detailed learning guides inside teaches the science of gravity and motion

• STURDY TIGHT-FIT PIECES – This construction kit is designed to fit together snuggly, so the marble maze won’t fall apart while playing. With exciting action pieces and clear smooth-run tube pieces, and base pieces, the kit has countless imaginative configurations
• INCLUDES EVERYTHING YOU NEED! – The marble run kit includes everything allowing the kids to build and re-build multiple marble runs as they play. Endless engineering configurations to explore the gravity and motion.
• GREAT STEM TOY – The learning guide inside teaches about the physics of motion and gravity. It also includes marble run construction experiments
• SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you

Kit Includes
45 construction pieces, 15 marbles, 14-piece motorized spiral elevator. Instructions and Learning Guide.
For ages 8 and above.