It would be easier to buy the right size cage now for his adult stage then to continually stress him out with constant housing changes. It might take 5 mijns to find him, but he'll be happier in the long run.
Ryno
Worst Case ONLY
OK I don't regular recommend this at work(Specialty Dept. at PETsMART) but if he still wont eat in another day or two you could try this(its not easy). You'll need a razor blade and a strong stomach. You'll have to chop up the crickets and meal worms into a paste. Once you have...
Are you staring at your cham when you feed him? When I got my Veiled about 2 years ago, he won't eat if I was standing in front of the cage. Put the food in a container(deep enough so the crickets can't jump out,but shallow enough to reach), and walk away. Come back in 10 mins, and check. It...