Marble Genius Marble Rails Automatic Chain Lift: Marble Run Playset Accessory, Requires 2 AA Batteries (Not Included), Moves Marbles Around Any Marble Run; Marbles & Building Pieces Sold Separately

This battery-powered accessory creates a continuous loop of motion for any Marble Genius marble run. The automatic chain elevator moves marbles effortlessly from the bottom to the top of the track to maintain constant action. It is specifically designed to be compatible with all Marble Genius sets, including the Starter, Super, and Extreme sets. The device requires two AA batteries to function and generally takes about 10-15 minutes for initial assembly. Using this lift helps children learn about engineering and physics concepts like gravity and kinetic energy through play. Its snug connectors ensure a stable structure even when integrated into complex and tall marble mazes.