Janod 6 piece Colorful happy mermaid wooden knob puzzle -encourages shape recognition, dexterity, and language development - preschool kids and toddlers 18 months+. Janod 6 piece happy mermaid wooden “knob puzzle” is not only a puzzle, it also helps your child develop and hone fine motor skills essential in life and encourages problem solving skills and imaginative play. The set features 4 different brightly colored mermaids and 2 sea creatures. Like all Janod products, happy mermaid puzzle illustrates that we not only Care about children's future but also the future of our planet by using only renewable resources for our wood. Janod not only creates beautifully designed toys, we also promote learning through play. Our toys are traditional in concept but “Contemporary European” in design and all our products are made with a distinct focus on craftsmanship and quality. We place a strong focus on child development - physical, social, creative and imaginative play are integral to all our products. We test for ages 18 months and 3 years +.