This is G1 Predaking, Predacons Articulation. The major alternations are as follow, For Rampage and Razorclaw, the problem of "Extremely short arms" have been solved, the forearms fold 180 deg backward. For Razorclaw, the clown of the lion head is enlarged, the tail is also lengthen. For Divebomb, the wings are enlarged, the elbow joint is added, it is hard to do since they have to shrink in transformation. The legs are main alternationa in headstong and Tantrum. For Predaking, the elbow joints are build-in at the waist of Rampage & Divebomb, the joint can slide in the waist. The knee joint is adopted from TFTM OP, it is a very nice knee joint and it is my no.1 choice . The hands are adopted from Unicorn, it works perfectly. LED is added this time, it is much better and the effect is so so nice for the eye sheild.