How can I check to see if my Box Bonanza prize it's been added on to my account? You can check if this by going to My Account > History > Reward History or by clicking here. Related articles How do I play the Box Bonanza Game? I clicked off the pop up before I picked my Box Bonanza, how do I get it back? Do you always win from a Box Bonanza? How will I know if I've won from a promotion? I opted in to a promotion but I didn't get a reward. Why not?