Items can be returned to Hobby Lobby without a receipt.
However when you return items to Hobby Lobby without a receipt the cashier will give you a store credit to purchase something else from them.
According to Hobby Lobbies Website you may exchange or return the merchandise or be issued a merchandise credit based on the lowest selling price in the last 60 days.
To get your money back from an item you purchased from Hobby Lobby though you need the receipt or you won't get money back.
A valid ID or drivers license is also required to exchange or return the merchandise to Hobby Lobby and they also reserve the right to limit or refuse to accept the return.
If the item is damaged because of the purchasers fault then they may not accept it.