Blowing Entertainment on Instagram: "A roller coaster model made with K’NEX is an exciting and interactive way to explore engineering principles and creative design. The model typically includes various components such as tracks, supports, and connectors, which are carefully assembled to replicate the twists, turns, and drops of a real roller coaster. Using K’NEX, builders can experiment with different track layouts, incorporating loops, sharp curves, and steep inclines, all while testing the mo