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.
Our insects are sensitive to outdoor temperatures. We recommend postponing your order if daytime, outdoor temperatures are below 50 degrees or above 90 degrees in your area. If you live somewhere currently outside of this range, we recommend purchasing a caterpillar voucher.
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 chrysalides attached) to the inside of your mesh butterfly habitat
Insect Lore spoon and knife for easy food measuring
33 2oz mini cups with lids
Chrys-A-Lid™ Holding Log
Feeding Dropper
Flower shaped butterfly feeder
2 Sugar Packets
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)
Butterfly Pavilion School Kit Video Instructions
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. You can learn more about the Insect Lore Guarantee here. .

Ages 4+

Classroom Butterfly Kits

Spanish Butterfly STEM Activity Journal - Entomólogo/a en ciernes

STEM Butterfly Activity Journal Bundle (English/Spanish)

STEM Butterfly Activity Journal Bundle (Budding/Junior)

STEM Ladybug Activity Journal Bundle (Budding/Junior)

School Kit Refill With 33 Live Caterpillars

Easy 20 School Kit Refill