Ingenious mobile seating that's packed with features! The cushioned seat lifts off to reveal a roomy compartment that stores manipulatives, toys, supplies or other classroom materials, and the rugged, non-marking 2" diameter casters provide handy mobility. There's even a high quality, non-ghosting removable markerboard for messages, drawings, or classroom work. Perfect for use with our WB1678 STEM Activity Table, WB0490 Technology Tablet Desk, WB0483 Adjustable Computer Desk, CH0200 Whitney Plus Desk or any Whitney Plus Table [each sold separately].