Zerby Derby

A Bridge for all Zerbies

Zack and Axle find a bridge make out of sticks that crosses a small gap. The bridge, held up by two long sticks, can support Axle's weight, but when Zack tries to cross, it breaks. They call Mika the mechanic to help them make a new bridge. They build one with 3 sticks which holds up Zack just fine, but when Mika tries to cross, it breaks under her heavier weight. Finally they build a bridge with 4 sticks that can hold up even Mika. But when Sandy the Bulldozer comes along, they realize they are going to have to build one more.