Saffi's Treehouse: Saffi declares that Wendy is her hero and asks her to build a treehouse for the Spring City Rockets' first club meeting. Saffi tries to help Wendy, but her assistance only causes more problems. When Saffi uses the treehouse before it's ready, it begins to collapse with the Rockets' trophy inside. In effort to save the trophy, Wendy heroically repels from a tree and retrieves it. Together, Wendy and the team rebuild the treehouse. Learning Goals: To understand that everyone can design and build. To understand the importance of patience and impulse control. Cats and Dogs: Bob and the team are building the vet a new reception area for her office to separate cats and dogs. Mayor Madison and her cat have an appointment this evening and the vet is worried because Cooper, the dog she is looking after, loves to chase cats. Leo promises to keep the animals away from the site, but soon Cooper is chasing Pilchard around the reception area and havoc ensues. Leo finally regains control of the animals and the team is able to finish the new reception area in time for the Mayor's arrival. Learning Goals: To explore the engineering design process: identifying a problem, looking for ideas, developing solutions, and sharing solutions with others. To express concern and empathy for others.