Your students will love tracing letters and whole words in our new jumbo sized sand tray It s also the perfect setting for all sorts of make believe dioramas and action adventures featuring their favorite toys and manipulatives Solid wood tray 18 18 inches with dark blue laminate bottom Includes lid and fine grain Safe Sand free of crystalline silica Specifications . Grade Level Early Childhood Elementary. Safety Choking Hazard Contains Small Parts. Allergens Contains No Allergens. Age Range 4 7 years. Size 18 x 18 in . Weight 1 lbs