Shake the 12 wooden boxes by their sturdy plastic handles, then match alike sounds to create six pair. Wonder what’s creating the sounds? Take a peek through the translucent acrylic panel on the bottom of each cube. Develops eye-hand coordination, dexterity, auditory discrimination, concentration, memory, and matching skills. Wooden tray measures 12 1/4″L x 9 1/2″W. Boxes are 3 1/4″ square plus handle.