A scam is something people put up to try to get something from you and you don't get the thing you wanted in return like you go to a website that sais well give you a car for 2,000$ you pay and they go off and don't give you anything that is a a scam.

Depends if youre bored it wont if you just want something like a game and you really like it it can make you happy.

Depends metal ARE dangerous plastic can hurt you.