Material: plastic and electronic components Size: 35 * 22 * 6 cm/13.78"*8.66"*2.36" [L * H * W] Power: 1 AA battery Parts: 89 pcs Features: 1u00a1u00a2 according to variety shapes of the building blocks to assemble simply and funnily， cultivate children's ability in the game 2u00a1u00a2 by learning a variety of colors and structuring various shapes blocks， discover， explore and stimulate children's artistic inspiration 3u00a1u00a2 according to the baby's ability to build blocks， stimulate his imagination， creativity， help brain development Package included: 1 * Electric Variety Blocks (batteries not included)