Feature: 1. Stimulate Competence: This hidden jigsaw puzzle stimulates children's spatial thinking and creativity, fostering cognitive development and imaginative skills. 2. Varied Puzzle Games: This puzzle has a variety of variations of shapes that will help develop your child's logical thinking and problem solving skills. 3. Safe Materials: This puzzle toy is beautifully designed and made with safe, nontoxic materials for children ages 3 and up, putting safety first. 4. Tabletop Game: The compact design makes it easy to carry this puzzle game anywhere, allowing children to enjoy educational fun at home, school, or while traveling. 5. Enhance Parent Child Bonding: Enjoy bonding time with your child through interactive play, promoting communication and emotional connection. Specification: Item Type: Hidden Building Block Toy Material: Wood Number of Players: 1-4 people. Package List: 1 Set x Puzzle Building Blocks Toy