Primal Instincts Leopard Vibrator. Feeling animalistic? Explore your wild side with Primal Instinct. Featuring a variable speed control and a staggeringly powerful bullet, you can't help but go wild. Silver bullet vibrator attached to a leopard colored power supply. Vibrator requires 2 AA batteries, not included. Do not leave batteries in the vibrator between uses. A water based lubricant is recommended. Phthalate free, non-toxic materials: Plastic base. Golden Triangle Novelties. GT Adult Toys for Everyone.