Make a game out of cleaning up in your classroom with Wood Designs’ 20-Tray Storage Unit. The 20 cubbies keep small items from being misplaced. Designed with tip-resistance, the unit keeps your youngest students safe with counterbalancing weights. Sturdy birch construction, rounded edges and a UV finish make this shelving a durable choice for classrooms. Available with or without cubby trays. Ships assembled on four casters. Lifetime warranty.