Beats Anything miniature rotary eggbeater vintage A & J working child's size kitchen tool

1930s vintage A & J Beats Anything tiny egg beater. I think this was probably a depression era kitchen gadget for real cooks, but maybe it was a working toy? It's so little, just 7 1/2" long end to end.

It's showing some age and wear from use, but turns smoothly and works fine.