Activate this fun and innovative switch with only a puff of air. Show your creative side and find encouraging ways for individuals to activate this switch. The Pneumatic Switch can be easily used with all kinds of squeeze toys, bottles or balls. Allows you to create your own object-based switch. The Pneumatic Switch has a 1/8-inch plug and can be used to activate communication devices, mouse interfaces or switch-adapted toys with standard 1/8-inch jacks. Includes Pneumatic Switch, squeeze toy and an activity sheet.