The Marvel of Metamorphosis TEN Times OVER! Over a course of 3 weeks, observe and learn as TEN tiny caterpillars transform to chrysalides then emerge as butterflies. Feed and enjoy your butterflies for a few days, then let them go to pollinate our precious world. When you're ready to start, simply claim your live caterpillars online. Includes: Mega-sized 2ft tall durable habitat, 12-Page STEM Journal filled with learning and fun activities, voucher to redeem for 10 caterpillars.