|"Horrid Henry's Hobby"|
"Horrid Henry's Tricks and Treats"
"Horrid Henry and the Bogey Babysitter"
All of the children are collecting Gizmos out of cereal boxes. Gizmos come in different colours. The rarest one is gold. For a while, none of the children have a gold Gizmo, but eventually, Perfect Peter gets one, and Horrid Henry tries everything he can to get his hands on it...