National Geographic Magnetic Marble Run – 150-Piece Stem Building Set for Kids Adults with Magnetic Track Trick Pieces Marbles for Building A

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 propertiesjust 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! HIGH-QUALITY EDUCATIONAL TOYS Were proud to make the highest quality hands-on science toys and all are backed by exceptional service and a commitment to your satisfaction.

• 34 basic 10 hinge; 26 track pieces
• 12 straight 3 curve 5 stairs 6 edge; 32 trick pieces