Thera nigella and other moths in the Geometridae and Pyralidae families - Illustration by Helena Scott

How does the planet keep its swirling weather in balance

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

designed for anyone from enthusiastic nature lovers to land snail specialists

transparent and ethical in the world

Match a Leaf scott sisters Thera nigella and other mothsKnowing 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.