I throw in Cheerios or popcorn to see if they know to vacuum that up rather than avoid it. I also run them over oatmeal and flour to see how well they pick up fine debris and have them tackle both thick and low-pile carpets. I watch to see how https://companyspage.com/story4456333/como-top-3-automatic-vacuum-cleaners-voc%C3%AA-pode-economizar-tempo-esfor%C3%A7o-e-dinheiro