You must be 21 to enter a casino, gamble or purchase or consume Alcoholic Beverages in Las Vegas. If you look young carry a state-issued ID with photograph such as a driver's license. Children are permitted in the casino public walkways but are not allowed to be near slot machines or betflik68 gaming tables. You are allowed to carry open alcoholic beverage containers on the street, but not in a vehicle.

So NO you can't gamble in ANY casinos in Nevada if you are under 21, it's according to gambling laws in Nevada.