aerocart makes it a lot easier. >> oh, clearly, 8 in 1 aerocart is the way to go.rter. >> it never fails. you go to use your old-fashioned wheelbarrow or dolly and the tire's flat, and now you need to waste time finding an air pump trying to fix it. >> well, the good news is that will never happen with aerocart, thanks to these special never flat tires. >> and when we say "never flat," we mean it. let me drill home that point. >> [ chuckles ] >> literally. look. we can drill a hole right into the tire... [ drill whirring ] >> wow. >> ...and it will never go flat. >> and unlike other no-flat tires, these wheels will stay flexible for easy maneuverability. that's because aerocart wheels feature a brand-new tire technology. micro air bubbles are actually embedded in the rubber, so they always stay inflated. >> when worx engineered the aerocart, they really thought of everything. >> 9 out of 10 times, you store that wheelbarrow -- you go to use it, and you got a flat tire. and that's horrible. >> it's just gonna be there when you need it. it's durable. you don't have t