28 Pcs Rainbow Translucent Acrylic Sensory Building Blocks With Storage Tray28 pcs acrylic building blocks with six shapes and six translucent colors. Includes four pieces of clear lucite boards. Encourages exploration, play, and learning for children. Mix colors to create new hues and enhance creativity. Helps improve imagination, balance, and motor skills. Creates beautiful color reflections in sunlight. Inspires building of walls, foundations, fences, houses, towers, and castles. Develops fine motor and spatial thinking