Evoroids F-GAO-G1 Roaring Fang Model Kit Product Description Easy to assemble, easy to transform! The new series of plastic model kits featuring cool and cute chibi robots by mechanical designer Kunio Okawara has arrived! This series uses a universal core part that utilizes 3mm joints with a simple design that are easy to combine in order to modify and transform the models for a wide range of customizations. The 3mm joints are compatible with Kotobukiya's other original series, such as Frame Arm