Yep, don't waste your time the only legal thing worth trying is "Salvia". That stuff is a fun way to kill some time, you can find it in your local smoke shops most of the time. It's like a phscodelic trip man... It comes in different stregths, personally it takes some strong stuff to get me off. Ususally a 30x, or 40x, will work. That's juat a personal thing. My friend took a 10x hit and he was gone.
The down sides are the prices usually range 15$-50$ for one gram, and the trip only last for about 5 mins tops. It only takes one hit to get off and then you can just take another.