New and Improved! The School Kit Refill provides educators and students with the ultimate STEM learning experience, guaranteed. Teachers Love it Refill for our popular School Kit Each student can watch the day-to-day development and transformation of their very own caterpillar. Unforgettable experience for students and educators alike! Great educational opportunity. The only classroom butterfly raising kit with 2-ounce individual cups for the comfort of each caterpillar. Proudly grown in the USA. Before You Grow This kit does not come with a habitat, you can purchase a butterfly pavilion habitat here. Check the temperature! It's best to do this project when daytime temperatures in your area are between 55-85 degrees Fahrenheit. We cannot ship live insects to Mexico, Canada, Hawaii, Puerto Rico, APO, FPO or DPO addresses Comes with Hook and loop fasteners are now included in your kit so you may conveniently affix the mini cup lids (with the caterpillars attached) to the inside of your mesh butterfly habitat Insect Lore spoon and knife for easy food measuring 33 2oz mini cups with lids Feeding Dropper STEM Journal full of fun classroom activities 33 baby caterpillars in one large cup 10 oz of nutritious caterpillar growth food to supply all 33 caterpillars until they transform into butterflies Transfer brush In-depth Butterfly Pavilion School Kit Instructions (download also available here) READ ME (includes helpful caterpillar-raising tips) Insect Lore, the Original Butterflies-by-Mail Company®, guarantees at least 20 out of 33 caterpillars will develop into healthy butterflies.