Let’s make some noise with the Peekaboo Sound Boxes! Shake the wooden cubes by their sturdy plastic handles to hear each unique rattling sound and find its match, and guess the material that makes each corresponding sound! Look through the translucent coloured acrylic on the base of each box for self-correction. The Guidecraft Peekaboo Sound Boxes builds matching, concentration and perception skills. Ages 3+ Features: Wooden lock boxes to reinforce fine motor skills Set includes 12 pieces and a storage tray Six unique locks on color coordinated boxes, with matching sorting pieces Match the chunky geometric shapes to the cutouts on each box Transparent colored windows to view whats inside Material: Plywood boxes, shape sorting pieces, brass and metal hardware and colored acrylic windows Educational Focus: Strengthens problem-solving, fine-motor skills and develops finger dexterity Suggested Age: 2+ Size : 31/43/15 cm. Usage: Enhancing learning skills Weight: Approx: 3.2 kg.