But where should we hide this

On a beautiful day there brother name O,My and gosh. On that day they found a treasure. But they didn’t want they mom and dad to know so they need to hide some where but where would we hide it all?.O,My and gosh start to find a place to hidden this thing but they don’t know where and mom and dad gonna come back from work too and we can’t go out because all the people gonna stole our money