Ela, the teacher, finds the old school bell, and Bob builds a new bell tower for the school roof. At the same time, Scratch becomes keen on the idea of doing his first ‘solo’ job. He asks Bob if he can be sent on one, and Bob agrees.Ela, the teacher, finds the old school bell, and Bob builds a new bell tower for the school roof. At the same time, Scratch becomes keen on the idea of doing his first ‘solo’ job. He asks Bob if he can be sent on one, and Bob agrees.