Learning doesn't need to be boring! Stimulate your children's imagination with the exciting K'NEX 100 Model Building Set. Each box contains 863 classic parts and pieces that can be connected to each other to form different structures and automobiles. K'NEX 100 Model Building Set consists of plastic rods and connectors which can be built into cars, planes, sea creatures, and more. The illustrated instruction booklet provides 100 building ideas. It helps guide budding engineers to constructing amazing creations. Foster your kids' imagination and watch them build a helicopter, motorcycle, dinosaur, or even a tall building! This educational toy provides endless entertainment and helps your kids to better understand STEAM (science, technology, engineer, arts and math) subjects. K'NEX supports the development of a child's growth namely: hand-eye coordination, fine motor skills, problem-solving ability, spatial awareness, and exercising the imagination. Creating an elaborate building or a transforming creature is possible with the K'NEX rods and connectors. Simply combine these pieces in different ways. All parts are proudly made in the USA using responsible manufacturing techniques in Hatfield, Pennsylvania. All K'NEX products undergo the strictest quality and safety standards. They are tested and guaranteed to be highly durable.The K'NEX 100 Model Building Set comes with a portable suitcase box that acts as handy storage to help keep all the parts organized in one place. Get the toy set today and see your kids create scale models of famous buildings, a working hot air balloon, creepy crawlies, blazing fast race cars, and just about anything they can think of and more!