Ruby and Charlie have invented an amazing machine for a school competition. The machine can do incredible things, but does it cause too much chaos for them to win the prize? Find out in this amusing comic-strip story! (Letter-sounds featured: /k/ /sh/ ch /j/ ge dge /uh/ o) The Chaos Machine is part of the Rocket Phonics teaching and learning programme from Reading Planet. Rocket Phonics ensures that every child achieves phonics success. This fully-decodable Target Practice reading book provides focused practice of a small group of letter-sounds. The book also includes useful notes and activities to support reading in school and at home as well as comprehension questions to check understanding. Reading age: 5-6/Year 1