This set starts with an easy to construct model. This box comes with a set of all tools and parts to make 2 different models (BULLDOZER) one at a time. An easy to understand, step by step manual is provided to guide the builder initially, till he/she is confident to handle the construction of the models on their own. This makes it an enjoyable experience. This classy BULLDOZER MODEL will awe your children with its clean construction and beautiful proportions .After the construction of the models, the kids can further use the nuts, bolts and other versatile parts of the mechanical set for other projects and models. After constructing the models that are described, the child can make many more models depending upon their own imagination and skills.These parts are crafted from high quality steel and perfectly finished for ideal feel. It encourages children to take his/her first step in the engineering World as it teaches and induces fine motor skills, logical thinking, problem solving skills, creativity, cognitive thinking and dexterity. All parts of this set are completely safe for builders of the recommended age group and confirmed to European safety standards. Specially designed screw driver, with a blunt tip, prevents slippage and makes the set absolutely safe. Models are designed to be fun and great for beginner builders as well as the advanced.