Ann Rose Escape Game

You have a sister named Ann Rose and she’s studying in her room. She doesn’t want to disturb because she studying for her exam. Then she heard a strange noise coming from near from the backyard. Ann Rose goes to her window to see what’s happening. She saw 99 red balloons lying outside backyard. She immediately went down, when she tries to open the gate it is locked. She needs your help to open that gate. Will you help your sister in need? Have a good luck!