The Gumball switch activates a variety of devices. The removable base has three holes for mounting and two plastic covers — one with a lip and one without. The Gumball Switch is similar to Jelly Beans or Buddy Buttons. This adapted switch connects to compatible toys and devices to let people with disabilities use them. The standard Gumball Switch’s features include: A 2½-inch activation surface for people who can access a smaller target area Two included plastic covers — one with a lip and one without Removable mounting plate with three mounting holes