describe [Product material]: ABS green plastic [Product packaging]: OPP transparent bag Product Net Weight: 100g/set [Applicable age]: 6 years old + [Commodity maintenance]: can be cleaned and disinfected pay attention 1. Children should use it under the supervision of home; 2. Do not swallow small building block particles; 3. If the toy is damaged, please recycle it; 4. Avoid building blocks from being exposed to the sun and damp; 5. Pay attention to maintenance to prevent wear. Product Features: Children's Puzzle Assembled Building Blocks DIY Hand-made Toys