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)

The National Geographic 75-Piece Magnetic Marble Run STEM Building Set brings a new level of excitement to building a marble maze! With its innovative magnetic connectors kids and adults alike can build create and explore engineering and physics on any magnetic surface. This STEM marble run set provides everything you need: 28 magnetic connectors 14 track pieces 17 trick pieces - 2 funnels 1 around 2 flex 2 poles 2 simple spinners 1 spinner pro 1 bell 1 switch 1 catapult 4 U-turns 15 marbles Storage bag Detailed instructions & fact-filled Learning Guide Explore physics and engineering with the different types of track and trick pieces creating astonishing chain reactions and intricate paths for your marbles. First select a combination of track trick and connector pieces and arrange them creatively on any vertical magnetic surface. Place a marble at the beginning of the course and watch it make its way down your track. As you experiment and create simply move the pieces