Walmart offers the Barbie Sisters Cruise Ship
(pictured), model no. X3209, bundled with a $10 Walmart eGift Card
with free shipping
. Assuming you use the gift card, that's the lowest total price we could find by $10. Sales tax is added where applicable. Features include a steering wheel, space for two lounge chairs on the upper deck, side panel that opens up to reveal another deck, umbrella, swing, and buffet.
Also available is the Barbie 3-Story Dreamhouse, model no. X3551, bundled with a $10 Walmart eGift Card for $132.97 with free shipping. Assuming you'll use the gift card, that's the lowest total price we could find by $10. This 3-story dollhouse features a dining area, kitchen, living room, bathroom, bedroom suite, and outdoor balcony.
Note that dolls are not included with either toy.