The CrumbleHopper is a laboratory mouse food hopper designed to fit a standard Tecniplast greenline sealed cage. We have used this in the lab, and mice will happily eat food from it with limited spillage and without kicking bedding in with the food. Easy to take in and out of the cage, and simple to weigh as a unit to monitor a mouse’s food intake. If you want to make it yourself, I have uploaded an early version to Thingiverse.
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