Image Item No. Description  90617  Hero Factory Arm / Leg with Ball Joint and Ball Socket Catalog: Parts: Hero Factory  90609  Hero Factory Arm / Leg with Ball Joint on Axle and Ball Socket Catalog: Parts: Hero Factory  90641  Hero Factory Armor with Ball Joint Socket - Size 3 Catalog: Parts: Hero Factory  87799  Hero Factory Chest Badge with Letter H and Spiked Bottom Catalog: Parts: Hero Factory