Last updated: 7 November 2026
The Cardboard Inventor Lab is a digital product: PDF files you download after purchase. Nothing is shipped. No physical kit, books, materials or printed pages are included at any price.
Your purchase gives you a personal, perpetual licence to use the builds and templates with your own family, and with the children you teach or care for. You may print as many copies as you need for them.
You may not resell the files, share the download links publicly, upload them to file sharing sites, or distribute them as part of another product or training course.
The price is a one-time payment. There is no subscription, no renewal and no further charge. Future corrections and updates to the files are included at no extra cost.
The Cardboard Inventor Lab is a set of craft and science activities for children with an adult nearby. It is not a toy and does not replace adult supervision. Steps that need sharp cuts, hot glue or poking holes are marked for an adult; adapt every build to your child's age and abilities. Results depend on each family.
Payments are processed by Whop, which acts as merchant of record. Your card details are handled by Whop and never reach our servers. Applicable taxes are determined by Whop based on your location and are shown before you pay.
See the refund policy. In short: seven days, no questions, and you keep the files.
Write to support@cardboardinventorlab.online.