Key Skills: Wipe-Clean Finding out about Plants (Age 6-7)Author: Hannah Watson Illustrator: Marta Cabrol Age: 6 7 English Page: 24 Paperback 27. 6 cm x 21. 6cm Wipe Clean Book The wipe clean activities in this book help children explore how seeds and bulbs grow and what plants need to survive, and encourage children to work scientifically. The Usborne Key Skills series supports and consolidates the Science lessons that children do at school and helps them develop and practise the essential skills they need