Features of National Geographic 100Piece Makeway Magnetic Marble Run Stem Building Set For Kids Adults

Design, Build, Test, Repeat - This Wildly Creative Building Toy Comes With 100 Pieces For Infinite Possibilities! Includes Magnetic Board, 67 Tracks & Connectors, 11 Trick Pieces, 20 Marbles, And Storage Bag. Watch The Video To See Them In Action! | Our Most Exciting Marble Run Yet - This Patented Magnetic Marble Run Is An Innovative Engineering Kit With Endless Creative Options. Move The Pieces Around To Adjust, Add New Pathways Or Build Obstacles. Each Track And Trick Has Its Own Unique Properties! | Build On Any Magnetic Surface - This Stem Marble Maze For Kids And Adults Can Be Built On Any Magnetic Surface Like Refrigerators, Lockers, Whiteboards, Workbenches, File Cabinets & More! | Think Like An Engineer - The Secure Snap-Fit Connectors Eliminate Frustration To Keep You Creative, With Detailed Instructions And A Learning Guide That Teaches About Physics And Engineering! | 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.