The Champion Sports Scooter Stacker helps you easily transport scooters to any play area. It holds up to (16) 12" and 16" scooters and features a web handle for easy towing. This stacker is a great way to keep your equipment clean and organized, making it a must for schools and recreational clubs. Material(s): Metal; Plastic; Overall Material Type: Plastic; Color(s): Silver/Yellow; Color Family: Multicolor.