The Ravensburger GraviTrax Junior Element Lift adds a practical transport component to the marble run. With this four-piece set, children can easily transport their marbles to a higher level to bring new momentum to the track. The sustainable element consists of 60 percent bio-based plastic, 38 percent wood, and 2 percent bio-based color pigments. Manufactured in Europe, this marble run accessory integrates effortlessly into existing GraviTrax Junior tracks and playfully promotes an understanding of height differences and physical relationships while building.