This beautiful Size Puzzle, Montessori inspired, comes with 9 beautiful red wooden pieces. Each in a different size with a knob for children to easily grasp. Helping children develop size discrimination and motor skills. By having the same shape puzzle piece your child is able to focus on the size and matching them to the matching space. All Qtoys products are made out of the plantation timber using non toxic child safe materials. Size: 27 x 20 cm