Similar to the pikler triangle, the pikler cube is a great, versatile indoor wood toy...for ages from 6 months to 5 years. Its size works for both little crawlers and bigger explorers. The cube measures approx. 25 inches on all sides and has 1 open side + 1 closed side + 2 circle sides + 2 dowel bar sides. Made to order, please allow 3 to 4 weeks for deliver. **Adult supervision strongly recommended at all times.**