Well We have a pet mouse in the house (George)... and when I was at petsmart getting water bottles for my new breeder rats.. I saw one of those snack shacks on sale ($1) so I got it...

George is INSANELY addicted to it LOL... its basically alfalfa & honey...

He eats some.. and then runs LAPS around his cage bouncing and flipping and stuff. Its hilarious.

Just thought I would share.

However I def. would not give one of these to a feeder mouse LOL.