Bitz and Bob's junk stall sells out of everything, including Bob's robo-helmet! Bob is horrified. The gang try all sorts of substitute helmets: Bitz's craft box, a traffic cone, even a knitted helmet.

Bitz, Bob and Purl are on a treasure hunt in Big Hot Sandy Desert. Bob finds a dusty old lamp, and a quick polish reveals it's the home of Bevel Genie and his pets, Zup and Pup. Bevel Genie does the ...