Contains 32 cardboard constructed, heavy duty blocks. Non-toxic ink. Manufacturers age: 18 months and up. Actual weight - 8 pounds (shipping weight is more to accurately calculate shipping costs with our system). Manufacturers notes: Add drawbridges, arches and turrets to a traditional Imagibricks Giant Building Block set and what do you get? A Giant Castle! Extend the fun and creativity of a Giant Building Blocks set with our new castle set. Archs for young princes and princesses to crawl through, turrets to build towers to rescue damsels in distress and even a castle door that converts to a drawbridge! All pieces are printed with non-toxic inks and are coated with a water-resistant coating. The set includes six each of the basic blocks, as well as four arch pieces, four door/drawbridges and six turrets.