Stuka Puka Wooden Puzzle USE YOUR HEAD. Discover how the human brain works and have fun doing it with this fantastic educational puzzle! With this puzzle the mysteries of the human mind are explained. A great introduction to anatomy and understanding the world around us! This wooden puzzle features 3 layers to learn with: cranial bones, temporal lobes and their functions, the upper respiratory tract, and the eye. This puzzle encourages hands-on learning, and a higher sense of self-confidence through problem solving. A fun way to help develop your child's fine motor skills through play. Perfect for kindergartens, schools and other play groups. Suitable for children ages 3 years and up. Size: 32 x 43 cm. Includes: 13 puzzle pieces and base. Text on puzzle pieces are in the German language. Material: eco-friendly natural plywood and natural wax-based color. WARNING: Not recommended for children under the age of 3 years; choking hazard. CPSC certified and third-party lab tested. Made in Poland.