Help for raid pls

hello can you help me A team has built a base in height in a structure but it is impossible to touch them because they have put a bubble how can we do to touch them please?

Hi! You can build trebuchets. As of the update prior to this one, trebuchet rocks (and probably explosive ones too, but I’m not 100% sure right now) penetrate bubbles, so you can use them to crack open a lollipop base.