Wooden jigsaw puzzle for kids with colorful interlocking shape blocks to stack and sort Includes 19 shape blocks and a tray with guidelines to help kids sort the shapes into their corresponding slots Made with wood from well-managed, Forest Stewardship Council-certified forests (FSC C130462, 2022) Helps foster fine motor skills, problem-solving skills, and imagination Montessori-styled creative play for toddlers and preschool kids ages 18 months and older