Marble Run Stunts Booster Set: 30 Pieces Total, 9 Action Pieces Including New Patented Trampoline, Includes Free Online App and Full-Color Instruction Booklet, Made for Ages 5 and Up

Marble Genius Marble Run Stunts Booster Set: 30 Pieces Total, 9 Action Pieces Including New Patented Trampoline, Includes Free Online App and Full-Color Instruction Booklet, Made for Ages 5 and Up

Marble Genius Automatic Chain Lift - Marble Run Accessory Add-On Set for Creating Exciting Mazes, Tracks, and Races - Endless Fun, and Creativity, Experience The Thrills of Marbles Racing

Marble Genius Marble Run Pipe & Sphere Accessory Add-on Set - 10 Pcs Total (4 Pipes, a Ramp, 5 Spheres), Alternating, Straight, & Tubes for Creating Exciting Mazes, Tracks, Runs, and Races