Xbox Wire blog announced this collab and confirmed that fans will "have a chance to win these" starting on Monday 10th July. Until then, details are thin on the ground!official Microsoft Rewards scheme, implying that this programme will be used as part of the competition to win the Barbie Xbox goodies. Until then, details are thin on the ground!official Microsoft Rewards scheme, implying that this programme will be used as part of the competition to win the Barbie Xbox goodies