This building block set has 8 different small castle sets of 854 pieces that come in the box. You can either build all 8 toy sets individually, or turn all 8 into a large Castle command center toy. Or use these block segments with the ones you have and make something new and Different! Other brands can be expensive, get a great value COGOCompatible building block castle set, without breaking the bank. Highlights Skillset:Hand & Eye Co-ordination, Creativity & Imagination Non Battery Operated Age: 5+ Years"