The Hape Farmyard 2-Layer Knob Puzzle features a unique two-layer design that engages children in a peek-and-reveal game. By lifting or sliding the top layer, children uncover hidden animals, fostering animal recognition, memory, and problem-solving. With 12 easy-grip pieces, it promotes fine motor skills and hand-eye coordination. The puzzle encourages patience, independence, and cognitive development while offering an exciting, interactive learning experience. Crafted with durable, child-safe materials, this puzzle is ideal for young learners, offering endless educational play. The puzzle board measures 29.4 x 22 cm. Suitable for children aged 24 months to 4 years.