The laboratory is included in the 30 minute guided tour. The guided tour is available on request throughout the day from 10:00am to 3:15pm at no extra charge. This part of the tour provides an opportunity to view first-hand the breeding laboratory through special viewing windows. You will see the caterpillars in their varying stages of development and find out all sorts of interesting facts such as why it is that caterpillars need to change their skins five times during their time as caterpillar. Explanations are also given as to why it is so advantageous for these creatures to transform themselves from caterpillars to butterflies.