National Geographic Magnetic Marble Run - 150-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 150-Piece Magnetic Marble Run STEM Building Set brings a new level of excitement to building a marble maze! With its innovative spiral lift and magnetic connectors kids and adults can build create and explore engineering and physics on any magnetic surface. This STEM marble run set provides everything you need: Spiral lift with power pack; 7 spirals and end piece for variable lift height; 44 magnetic connectors - 34 basic 10 hinge; 26 track pieces - 12 straight 3 curve 5 stairs 6 edge; 32 trick pieces - 3 funnels 2 arounds 2 corners 3 flex 4 poles 3 simple spinners 2 spinner pro 1 bell 2 switches 2 catapult 8 U-turns; 25 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. Select a combination of track trick and connector pieces and arrange them creatively on any ver