Combine these wiggly jellies to create a higher level jellies. You will have a certain goal in each level where you need to collect that in order to proceed to the next level. Combine the same jellies in order to have a higher level jellies that will help you in getting the goal a lot faster because the higher the jelly, the bigger it's contribution to the goal. You can also buy jellies from the store. Just make sure you have the enough funds.