(Hardback)

Crazy inventions for kids to learn about!

(Paperback)

Crazy inventions for kids to learn about!

(Hardback)

The 10 Matches that Changed the World .

(Hardback)

A hat that can tip itself. A suitcase that turns into a bathtub. These are just two of the hundreds of unusual inventions that people have dreamed up over the last two centuries. Murphy has compiled a collection of the weirdest and wackiest inventions and presented them in a quiz style that is challenging and fun. Illustrations.

(Paperback)

A hat that can tip itself. A suitcase that turns into a bathtub. These are just two of the hundreds of unusual inventions that people have dreamed up over the last two centuries. Murphy has compiled a collection of the weirdest and wackiest inventions and presented them in a quiz style that is challenging and fun. Illustrations.