Size is approx; 12.9 by 12.9 by 12.9cmAdditional product info; Every time you open the Pokeball, Psyduck pops out! When you gently press it, Psyduck will chat with you!Each time you open it and press it, you can enjoy various Psyduck reactions! If you press repeatedly, you can hear a special reaction!If left untouched for about 10 minutes, it will enter Drowzee mode. Uses two AAA alkaline batteries (batteries sold separately). Please use alkaline batteries.The size when opened is approximately 11 cm in height, 7.6 cm in width, and 13.3 cm in depth.