To use the gift certificate "Yakaboo", you must select a product for the amount of the nominal value, and enter the card code in the field "Use a gift certificate" when placing the order. The number of certificates to pay for the purchase is unlimited, they can be summed up.
When ordering a physical "Yakaboo" certificate with a denomination of UAH 5,000 in a set, you are guaranteed to receive 1 "Russian warship, go...!" stamp. When buying a certificate with a denomination of UAH 7,500 and UAH 10,000 in addition to the first stamp "Russian warship, go...!" you get another "Russian Warship... Everything!" stamp.