Help Mia turn her brother's tree house into the perfect park hangout spot for all her friends. Pack Daniel's belongings into a box in the roof before he leaves for college, and help Mia decorate by putting up pictures of her friends and family. Scramble up the net to the second floor and use the water gun to keep out any unwanted visitors! Then slide down the zip wire to visit Mia's bunny Mim? in her little house and give her a carrot.