This is the 9572nd most frequent Turkish word.
alsınlar
"Alsınlar" means "Let them take" in English.
Here, 'alsınlar' is used as a subjunctive form, suggesting a recommendation or directive that 'they' should purchase the items.
Mağazaya gidip ihtiyaçları alsınlar.
They should go to the store and buy the necessities.
In this instance, 'alsınlar' is used similarly to give a conditional suggestion about taking the gift.
Bu hediyeyi gerçekten beğenirlerse alsınlar.
If they truly like this gift, they should take it.
Here, 'alsınlar' conveys an allowance or permission given to 'them' to collect their rewards, conditional on their satisfaction.