Montessori fish puzzle with skeleton by FAC Montessori The purpose of this product is to learn the parts of a fish. After taking out all pieces, the fish skeleton printed inside. This montessori educational toy will also help kids expand general knowledge and improve fine motor skills, improve pincer grip (pre-writing skills) in preparation for school readiness and expand general knowledge by helping kids learn about the structure of a fish. We provide 30 Day money return guarantee, as long as you find the purchased item is different from our listed description and condition.