Dough made with 1 part hair conditioner, 2 parts corn starch. "Think of this as a mix between playdough and cloud dough. It is light and airy like cloud dough, but moulds better as the conditioner helps the cornstarch become more pliable.
Homemade glue : Flour, sugar, water & white vinegar = better cheaper Mod Podge (brand of glue useful for collages and other projects where you want to stick things down or seal a surface). It's too expensive.