Assemble a functioning water filtration and desalination system while exploring the principles of water purification

How does the planet keep its swirling weather in balance

Part 2 describes each gemstone and mineral

transparent and ethical in the world

A Field Guide to Frogs of Australia includes a key to species

Match a Leaf scott sisters Assemble a functioning water filtrationKnowing which leaf is the power dressing for its tree is a wonderful life skill. Teach your budding botanists to recognise tree and leaf with this Match a Leaf Memory Game. Leaves are marvels. They turn sunshine into a super food, give food to insects, shelter to birds and animals, provide a shady haven on a summers day. They are a natural fashion show. Match the leaves to their trees in this arboreal memory game whoever collects the most pairs wins.