Specially packaged and priced for our STEM/STEAM teacher friends! Cat Cuble Educators Class Pack is packed in 15 unit boxes. And are perfect to get your class thinking and building their own toy that they can bring home! We even have lesson plans with Common Core standards listed. Please visit this link to download the correct plan for your age level. www.cubles.com/pages/edu/lessonplans Cubles are the paper toy, re-invented. The Cat is made of strong and sturdy paperboard, not your typical printer paper. He requires no glue or scissors and is a great hands on, stress free activity at home or on the go. Every Cuble has moving parts held together by paperboard so they are playable without the plastic. And best of all their color coded instructions and patented engineering make each one fun and easy to build. The tag is blank and ready for you to personalize! All Cubles are Made in the USA, 100% Recyclable and for every 1 tree used to make Cubles, the company plants 100 more by donating to OneTreePlanted. WARNING CHOKING HAZARD: Not Meant for Children Under 3. Once assembled, some of the parts become very sturdy. Although it is made of paperboard, please do be careful with the littlest ones.