Hey Lindz, Toads are considered gape-limited predators; any store bought feeder that can be swallowed is suitable. Maybe crickets can bite the insides of toads idk, however, amphibian husbandry history confirms that feeding crickets; or superworms, to toads aren't a problem. Please consider that toads and frogs in the wild have been documented eating all types of nasty critters; venomous spiders and snake, scorpions, bees, wasps etc, and survived without any permanent damage. People talk a lot of about variety, yet it's rare to get a solid reason why. I'm pretty sure 'variety' in nature far exceeds anything we can emulate at home on a consistent basis. imo Dusted crickets are the best over-all staple for American toads; then add whatever you like from there.