Stack the vibrantly colored wooden pieces however you like to make three amusing animals, a tree or just one large creative creature. Which head should the funny animal have? Fascinating imaginative building fun that stimulates creativity and fosters fine motor skills. Contains 14 wooden pieces treated with a non-toxic, water based stain. Mouse's head measures approximately 2" high. This STEM toy is recommended for children aged 18 months and up. Budding builders can stack the animals however they like to make three amusing animals, a tree or just one large creative creature. Which head should the funny animal have? Fascinating, imaginative building fun again and again that fosters fine motor skills. 14 wooden pieces.