- Includes working demo unit + acrylic presentation case This product demo box will help convert your customers! People will naturally gravitate towards the red button to test out the Wooden Marble Run. The demo box shows your customer exactly how the unit operates which helps increases the buying chances! SOLAR POWER + MOTOR | Only product on the market that is powered by solar panel! BUILD AND CONSTRUCT | This kit requires building a Wooden Marble Run using 28 easy to remove die-cut wooden pieces. Provides an excellent opportunity to work together with a youngster. Requires 1+ hour build time. STEM TOY | This STEM (Science/Technology/Engineering/Mathematics) toy allows anyone to learn and have fun at the same time. Provides the inspiration for growing minds to learn about fundamental principles that are required to make the wooden marble run function. #marblerun #marableruns #toys #toy #STEM #stemeducation