VEVOR Marble Run Set, 230 PCS with Motorized Elevator, with 15 Plastic Marbles, Marble Maze Building Block Brain Game, Educational Learning Race Track STEM Toys, for Kids, Boys, Girls Ages 3 + Years

System Compatibility: This marble run set works with marbles up to 16mm in diameter. In addition to the marbles included, kids can mix it up with marbles from other brands for endless racing fun and exploration!,Electric Lift: This marble race track includes an electric lift and glow-in-the-dark marbles. Simply add two 1.5V AA batteries (Not Included) to power it. The lift adjusts to the highest block height and smoothly transports marbles onto the track automatically.,Fun 3-in-1: This marble run is more than just a toy set! Our building blocks and track designs help develop kids' cognitive skills, construction abilities, spatial awareness, and hand-eye coordination. While having fun, your child is also learning and growing!,Accessories Included: The motorized marble run includes 170 plastic blocks, 15 glass marbles, 30 glow-in-the-dark plastic marbles, and 15 plastic marbles—just snap everything together and let the fun begin!,Suitable for 3 + : Even the three-year-old builders can join in on the fun! With easy-to-connect blocks that stay securely in place, this marble maze is suitable for little hands and big imaginations. Let them play happily and confidently!