NATIONAL GEOGRAPHIC Magnetic Marble Run – 75-Piece STEM Building Set for Kids & Adults with Magnetic Track & Trick Pieces & Marbles for Building A Marble Maze, STEM Project (Amazon Exclusive)

A KICKSTARTER SUPERSTAR – This patented marble racetrack is probably the most backed Kickstarter magnetic super puzzle of all time! Each and every track and trick has its own unique properties – just move them around to regulate or add exciting new pathways!
DESIGN, BUILD, TEST, CREATE – This wildly creative super puzzle includes 42 tracks & connectors, 17 trick pieces & 15 marbles for infinite building combinations and endless amounts of creative fun!
BUILD ANYWHERE MAGNETS STICK – This STEM marble maze for kids and adults may also be built on any vertical magnetic surface just like the fridge, lockers, whiteboards, workbenches & more!
BUILDING YOUR MAZE IS EASY – The protected snap-fit connectors do away with frustration to keep you creative, with detailed instructions highlighting learn how to use Each and every piece, and a Learning Guide that teaches about physics and engineering!
HIGH-QUALITY EDUCATIONAL TOYS – We’re proud to make the very best quality hands-on science toys, and all are backed by exceptional service and a commitment in your satisfaction.