A simple but great idea for feeding rabbits! However a tip to everyone - pellets are not ideal for feeding house rabbits!!! Most pellets even those bought a stores such as pet smart are for feeder rabbits! They often make your own rabbits obese and ill. Hay is a much better and cheaper solution!
Petmate Le Bistro Programmable Pet Feeder / Le Bistro is a programmable pet feeder from Petmate. It’s an automatic portion feeder for dogs and cats that can be set to dole out meals at regular intervals. http://thegadgetflow.com/portfolio/petmate-le-bistro-programmable-pet-feeder/