Froggy World 5 The Coffee Gripper

This is a robotic gripper used to move a plastic frog from a train to a catapult in Froggy World. Froggy World is an amusement park for adventurous plastic frogs.

The gripper uses coffee inside a balloon. Placing a vacuum on the balloon causes it to "grab" the object--releasing the vacuum releases the object.

Video at:
http://youtu.be/uHAmEzcGuUY

Full instructions at:
http://www.instructables.com/id/Froggy-World-5-The-Coffee-Gripper/