This is an old electric toothbrush. What can i salvage from it?

I see a motor magnet wire an a button

>>1190521
The vibrator, so you can stir your boipucci juice with it

The motor, charging board (or the electronics ),transformer, the brush itself ( for cleaning) , battery (try reviving it

Why do these cost more then $5 again?

>>1190698
They don't, you can get them for around 5$

>>1190692
Can i do anything with the battery? Or is it so old the charge life is short. Iirc this had problems turning on

>>1190521
Bacteria

>>1190521
most of these have a contactless charging feature, wich can be used if you want to make something rchargeable wich is completely waterproof