Trays define work spaces for each child and keep objects from falling off desktops or tables and getting lost, etc. The possibilities are endless with this set of 4 heavy-duty multi-purpose trays in 4 colors. Suitable for finger painting projects, collaging, clay or playdough and other messy art projects. Or use for individualized sensory activities filling trays with water, sand, plastic sensory pellets, beads and more. Trays measure 12"W x 16"L x 1"H.