- Includes a patented trampoline piece to add a unique element.
- Includes a free online app and full-color instruction booklet to help build and customize marble runs.

The Marble Genius Marble Run Stunts Booster Set is perfect for children ages 5 and up who enjoy building and creating. With 30 pieces total, there are 9 action pieces including a patented trampoline. The set comes with a full-color instruction booklet and a free online app to help kids create their own stunts. The pieces are easy to assemble and can be used to build a variety of stunts and tricks. Kids can watch their marbles jump, spin, and twirl through their creation. The Marble Genius Marble Run Stunts Booster Set will provide hours of fun and creative play.

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