Redeem On-line Go to www.worldmarket.com, www.bedbathandbeyond.com, www.buybuybaby.com, or www.onekingslane.com and enter Card Number and PIN at check out. Redeem in Store Present gift card at the time of purchase; the available balance will be applied toward your purchase. Good at any Cost Plus World Market, Bed Bath & Beyond, buybuy BABY, Christmas Tree Shops, and Harmon Face Values location. In-Store Mobile Redemption Instructions Recipient: To redeem your gift card from a mobile device display the gift card number and associated PIN to the cashier at the time of purchase. Cashier: Hand key the gift card number and associated PIN into the POS.