Solid beechwood with security-glass base includes 3 lbs. Of fine, white sand for ultimate play and relaxation. Promotes sensory motor skills, tactile and visual stimulation, increased concentration. Improves grasp and encourages hand-arm movements. Comes with 1 wooden smoothing tool and 2 wooden pattern rakes. 28¾"L x 23"W x 5½"H. 33 lbs.