Handleable active lizards would be something like a leopard gecko, crested gecko, bearded dragon, or ackie monitor.

snakes.. you want something fatter like a BP? Corn snakes can get 4-5' long, just not so thick as a BP. There are lots of different colubrids that are nice.. kings, milks, rat snakes etc.

You could look into jungle carpet pythons, brazilian rainbow boas, hog island boas.. etc.