CLASSIC PIECES – This building set comes with 480 classic K’NEX parts and pieces. It includes rods and connectors that are attached to one another in different ways, allowing kids to unleash their creativity and skills in designing a variety of shapes, figures, and models. The snap-fit pieces stick together securely and can be easily reassembled into other creations.REAL MOVING PARTS – Unlike other building toys, K’NEX lets builders create different models that actually move. This building set allows them to make interactive toys and figures like trucks, airplanes, helicopters, and auto parts such as wheels, wings, rotors, and tracks. Constructing your own buildings, amusement park rides, and bridges isn’t just a dream when you have this building set!CONVENIENT STORAGE – It can be a problem to store small plastic toy parts into one place, and the last thing you want is them getting lost! Keep all the K’NEX parts in one place that is easy to access. Store all those precious pieces in this handy treasure chest that kids will always love to open. Packaging may vary.VERSATILE – K’NEX 35 Model Building Set includes an instruction booklet that shows builders how to create 35 unique models with its step-by-step guidelines. This toy is ideal for kids ages 7 and above, allowing them to create anything that their minds can come up with. Watch your kids’ imaginations grow through the sheer amount of models they can make with the K’NEX 35 Model Building Set.