Rainbow Stacker is a minimalistic design that encourages children to use their imagination to the fullest. The arch stacker develops coordination and fine motor skills. Younger children play with it like a puzzle. Older children learn colors and balancing. 17 x 8.5 x 4 cm. Made of noon-toxic water-based paint and birch wood. Recommended for children ages 1 to 5 years. Made in Ukraine.