Scrambler decides to build a tree house on his own! Bob puts Roley in charge of the build. When the materials arrive, they discover a family of field mice nesting in them! Meanwhile, Scrambler sneaks off to search for the perfect tree for his tree house and he comes across the materials for the Timber Trail. Surely no one will notice if he takes just a teeny bit?! Scrambler tries to build his tree house - but its much harder than he thought on his own. The Timber Trail is almost finished but there are some things missing! Scrambler sees how upset Roley is - and its his fault! He took those materials to build his tree house and he can't build it by himself! Scoop replaces the missing materials, and the team finish the Timber Trail. Scrambler turns up, and is impressed. He tells Roley the truth - he took the missing materials to build his tree house. Suddenly, Roley has an idea. Scrambler's tree house could make the perfect home for a family of field mice! Air Date: Apr 13, 2010