Electro shock game boost

[Mikos]

Hello I am new into electronics (now time at home) and would like to do small project. Could this electro shock roullette be boosted so it gives a decent shock. Currently is fun and really low as for kids. I am adult so could be stronger for real fun 

 

[HarryA1]

Without a diagram of the circuit it is impossible to help you in spite of the good photographs.

It reminds me of the game tossing set mouse traps between players