Let your imagination run wild - no matter your age - with the 100 Model Imagine Building Set! The K'NEX 100 Model Building Set has over 860 pieces and has something for everyone in the family. Build cars, planes, sea creatures, and more with the included building instructions, or design a new model yourself! This set comes in a convenient suitcase storage box. Models can be built one at a time. All K'NEX parts and pieces are guaranteed for a lifetime of fun and all K'NEX bricks, rods, and connectors proudly made in the USA. Perfect for builders age 7 and up!