Grow a Garden's Rainbow Sack is one of the most valuable items you can get in the Roblox game, and, unsurprisingly, it's not an easy one to lay your hands on. The Rainbow Sack only comes from two ...

GameSpot may get a commission from retail offers. Chances are that, if you’re new to Roblox, you won’t know your Obby from your elbow. That’s okay, though, as everyone has to start somewhere, and a ...