The Gifts were added to the game on 22th December 2017 - present. There are 3 gifts for you to buy: Small gift ($99) , Big gift ($149) and the Massive gift ($625). When you buy a gift, you start to shake it and an item will reveal! On the picture, you can see a board which show you how the gifts work.
However, the Massive Gift isn't here,it has an individual board. The board shows you the chances of getting the rare item. If you don't have money to buy the gifts, master your skills and play some Obbys!