This wooden jigsaw puzzle features 19 colorful interlocking shape blocks designed for stacking and sorting. The set includes a tray with printed guidelines to help children match each shape to its corresponding slot. The puzzle is constructed from FSC-certified wood (FSC C130462, 2022), sourced from responsibly managed forests. Suitable for ages 18 months and up, it supports fine motor development, problem-solving, and creative thinking through Montessori-inspired play. The simple, engaging design encourages independent exploration for toddlers and preschoolers.