Photo 1 of NATIONAL GEOGRAPHIC Magnetic Marble Run - 50-Piece STEM Building Set for Kids & Adults with Magnetic Track & Trick Pieces, & Marbles for Building A Marble Maze Anywhere Magnets Stick

Double tap image to zoom

Photo 1 of NATIONAL GEOGRAPHIC Magnetic Marble Run - 50-Piece STEM Building Set for Kids & Adults with Magnetic Track & Trick Pieces, & Marbles for Building A Marble Maze Anywhere Magnets StickPhoto 2 of NATIONAL GEOGRAPHIC Magnetic Marble Run - 50-Piece STEM Building Set for Kids & Adults with Magnetic Track & Trick Pieces, & Marbles for Building A Marble Maze Anywhere Magnets Stick