A Montessori-inspired stacking music building blocks nail puzzle offers young children a hands-on way to explore balance, coordination, and sound. Each color box contains 36 pieces, allowing for multiple creative configurations and shared play. The set is made from sturdy material, sized to fit comfortably in small hands, and is designed for children aged 3 to 6 years. It encourages problem-solving and sensory development through stacking and musical interaction. This item is sold wholesale by the box.