The Bloco BC-15004 Gorilla Silverback Primates Of The World Collection is a set of 64 interlocking blocks that feature primates, specifically gorillas, as the theme. Made of foam and plastic, these blocks are designed for children aged 5 and above. Packaged in a box, this collection is part of the Primates of the World product line by Bloco, a brand known for its high-quality building toys. With a unique design and attention to detail, this set allows children to create and play with their favorite primates in a fun and educational way.