Purchase this certificate from us which you can then send off to Insect Lore to order your replacement caterpillars. This will be delivered to you in the form of a postcard which you which you will then need to send to Insect Lore (along with an additional shipping & handling fee of £2.99) when you are ready to receive your caterpillars. You will then receive a delivery of 3-5 baby caterpillars with food. Please Note: caterpillars are only despatched from March until September.