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 Do you always win from a Box Bonanza? I clicked off the pop up before I picked my Box Bonanza, how do I get it back? How do I play the Box Bonanza Game? How will I know if I've won from a promotion? What is a Box Bonanza Game?