Children can watch caterpillars metamorphose into butterflies with the Butterfly Garden, a living science kit available from Insect Lore, Europe, for Pounds 36.95. The kit was designed by the company president, who is a certified entomologist and part-time teacher. The free IL catalogue also contains puppets, books and materials for exploring the living world. Details: Insect Lore, Suite 6, Linford Forum, Linford Wood, Milton Keynes MK14 6LY, tel: 01908 200794.