Transformers: Rise of the Beasts Beast Alliance Beast Weaponizers 2-Pack Optimus Primal with Arrowstripe charge into battle together in the Beast Alliance Beast Weaponizers 2-pack. Optimus Primal can convert from robot to gorilla mode in 7 steps, while Arrowstripe can convert from tiger to crossbow in 5 steps. Once converted, Arrowstripe can attach to weaponize the Optimus Primal action figure. Together, they fight crime. Ages 6 and up.