**USED* National Geographic Magnetic Marble Run - STEM Building Set for Kids & Adults with Magnetic Track & Trick Pieces & Marbles for Building A Marble Maze, STEM Project (Amazon Exclusive)

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• A KICKSTARTER SUPERSTAR - This patented marble racetrack is the most backed Kickstarter magnetic super puzzle of all time! Each track and trick has its own unique properties—just move them around to adjust or add exciting new pathways!
• DESIGN, BUILD, TEST, CREATE - This wildly creative super puzzle includes a motorized marble lift, 70 tracks & connectors, 32 trick pieces, 25 marbles and more for infinite building combinations and endless amounts of creative fun!
• BUILD ANYWHERE MAGNETS STICK - This STEM marble maze for kids and adults can be built on any vertical magnetic surface like the fridge, lockers, whiteboards, workbenches & more!
• BUILDING YOUR MAZE IS EASY - The secure snap-fit connectors eliminate frustration to keep you creative, with detailed instructions highlighting how to use each piece, and a Learning Guide that teaches about physics and engineering!
• AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!