The LEGO Hero Factory Thunder 7157 Instruction Manual Booklet is a detailed guide for building the Thunder model from the Hero Factory theme. Released in 2003, this booklet features illustrations and instructions in English. The manual is designed specifically for fans of LEGO and the Hero Factory brand, providing a step-by-step guide to constructing the Thunder character. Perfect for collectors or those looking to expand their LEGO building toy collection, this manual offers a fun and engaging way to learn and create.