1. COMPATIBLE WITH ALL MAJOR BRANDS: The Classic Block Set is 100% guaranteed to be compatible with all major brands for a perfect fit, providing a great gaming experience for little architects.

2. Storage box: 600 classic building blocks, rich in colors and shapes, construct a storage box for building blocks that you can imagine, easy to store and carry.

3. Stimulate children's imagination: Build houses, animals, trees, etc. through building block sets, while cultivating children's fine motor skills and stimulating hours of imaginative thinking.

4. Kid Friendly Material: Our building blocks are made of non-toxic and durable ABS plastic, BPA free, not easy to break or bend, your kids can play safely. The perfect birthday or holiday gift for kids ages 6 and up.

5. Satisfaction Guarantee: The 600-piece block set is available with a 30-day refund for no reason and 180 days for quality related issues.