Smartivity Roller Coaster Marble Run STEM DIY Kit for Kids 8-14 Years
Build-it-Yourself STEAM Game | Refine Motor Skills and Improve Hand-Eye Coordination What happens when a pool table meets a roller coaster? You get Smartivity Marble Slide - an adrenaline-pumping game that combines the thrill of roller coaster with the dexterity required for a pool game. Refine your little one’s motor skills and hand-eye coordination with this game