3. Original call put out on Twitter by class teacher.

4. Riddle sent by teacher and response sent during Literacy lesson.

5. Response to another riddle sent during literacy lesson

6. Tweet sent to comedian to thank him for the follow Friday recommendation.

8. A group of children were given the task of thinking of a joke which could be sent back to Mark Olver.

10. The challenge from Mark Olver led to the children moving to the writing table to think of jokes to send back. There were even complaints that there weren’t sufficient places at the writing table!

11. The children decided that a joke could only be sent if it made the teacher and Teaching Assistant laugh.

12. The exchange then led to other people following @giraffeclass sending in jokes.