The Pillbug by GoBigger is a standout linkage spinner, combining a compact, rounded mech style shell with a dynamic, transforming spin experience. At rest, it feels dense and contained, but once spun with enough speed, centrifugal force activates the linkage system, causing the wings to expand outward into a larger spinner. As it slows, the wings collapse back in, creating a smooth, satisfying motion paired with a distinct closing sound. Built with a dual bearing system, the Pillbug offers a different spin feel compared to traditional spinners, adding both stability and a unique sense of movement throughout the expansion and collapse cycle. Tritium slots allow for added visual customization, giving the spinner a futuristic glow and enhancing the overall effect during motion. Mechanical, interactive, and visually engaging, the GoBigger Pillbug pushed spinner design forward with its linkage system and is now considered one of the most sought after grails. Note: The Pillbug (Youth) version is also available as a more affordable option. It features an all-aluminum build, making it lighter, and does not include the linkage mechanism found in the full version.