TY  - BOOK
TI  - 50 science things to make & do :usborne activity cards
T2  - Usborne activity cards
SN  - 9780746085165
U1  - R 500 SCI-S 
PY  - 2007///
CY  - London
PB  - Usborne Publishing
N2  - These activity cards combine fun thngs to do with scientific explanations. Just choose a card, then follow the simple instructions. Activities include a foaming monster, making salt and candy crystals, balloon rockets and testing acids and alkalis with homemade litmus paper
ER  -