Each of these charming paper toys walks, steps or waddles down a slope in a most satisfying and amusing fashion. Enjoy making the models and then be intrigued as they walk their rather mysterious walks. Apart from the duck and her two ducklings there is also a kangaroo and then a blue footed booby. Not forgetting of course, a pirate ship and a fine example of a Noah's Ark with its animals aboard.

Anyone looking for number puzzles to stretch and intrigue will be delighted with the contents of this original book. The demanding challenges explore the properties of numbers and the patterns and hidden relationships which exist between them. Many of the challenges are presented in a visual or diagrammatic way with tables or charts to complete or fill in.