- Larsen children's puzzle model AR7 with 81 large pieces, ideal for learning math and subtraction - Stimulates motor development and hand-eye coordination in young children - Colorful and durable pieces, designed to facilitate playful learning - Includes a 4.4 mm thick frame and 2.5 mm pieces, easy for children to handle - Made from 100% recyclable material, safe and CE certified - Perfect for educational use at home or in the classroom - Helps discover patterns and encourages concentration and logic