Colour Me Crazy (Colour Jets) by Andrew Donkin
LET YOUR IMAGINATION TAKE OFF WITH COLOUR JETS Irresistible stories for children who are beginning to enjoy reading alone. Kevin's town is the most boring place on earth, until the Spec-trums arrive to brighten things up. But when their crazy colour schemes get out of control, it's up to Kevin to put things right -- and he's only got one hour to do it!