When making a hamster cage that fits the needs of a hamster, use a 10-gallon cage with a top that will lock or a top that is heavier than the hamster. Use care when choosing bottles and bedding for a hamster cage with help from the manager of a pet store in this free video on pet hamsters. Expert: Ashlee Bio: Ashlee has been the manager of Pet Planet in Riverton, Utah for the last three years. Filmmaker: Michael Burton