The Smartivity Roller Coaster Marble Slide is a toy kit that allows you to create a marble run with a pool table. It is a wonderful STEM educational toy that develops analytical skills, creativity, motor skills and practical skills. The Roller Coaster Marble Slide offers unlimited playtime fun. Kids can release marbles from the top of the track and use the levers on the sides to aim the marbles. On the pool table part of the game, kids can place marbles in such a way that the striker marble coming from the slide track hits them and sends them into the corner or side pockets.