National Geographic Motorized Marble Run - 75 Pieces Set

Race Marbles Down An Awesome Marble Maze With The National Geographic 75-Piece Motorized Marble Run Kit! Perfect For Your Child 8 Years And Up, Kit Includes 46 Sturdy, Tight-Fit Construction Pieces Which Make It Possible To Build An Endless Variety Of Marble Runs Along With 15 Marbles. There Is Also A 14-Piece Motorized Spiral Elevator That Lifts Marbles Back To The Start, Over 1.5 Feet From The Finish Line! Instructions Provide Tips On How To Build A Successful Run, Allowing Kids To Create The Most Exciting Marble Maze They Can Imagine. Kids Will Also Learn About The Scientific Principles That Make A Marble Run Work In The Fascinating Learning Guide. Kids Will Have Hours Of Fun With The 75-Piece Motorized Marble Run Kit!