Joyfy marble run gives kids the opportunity to build, create and explore. Experiment with the functioning of dynamic, energetic and mechanical sciences, defy the laws of gravity! The unique ELEVATOR feature elevates this marble race track from cool to WOW! In addition, the marble run game is a must for family games, which appeals to boys and girls of all ages, and even parents! The first step is to build a circuit with the studs provided, thinking carefully about the path that the balls will take when descending from the highest tower. Then let them slide and admire the result! Perfect Birthday and Christmas Gift for kids toddlers. | Joyfy | | 236Pcs Marble Run Glow-in-the-Dark Glowing Marble Run with Motorized Elevator- Construction Building Blocks Toys | Best Buy