InvenTABLE: A kid-safe power tool for cutting cardboard by InvenTABLE — Kickstarter

Makedo Cardboard-Building System

Cardboard Tool Kit, Construction Toys, DIY Crafts

Cardboard Creations for Kids - Mini Mad Things

Makedo Discover Set

How to make woodworking tools out of cardboard

How to make cardboard hammer and pliers at home -DIY Cardboard Crafts

Build-It DIY Cardboard Crafts & Projects

What's the best (hand) tool for breaking down this thick cardboard tube? Don't have much use for power tools but tried a utility knife (dangerous) and hacksaw (slow) and looking for alternatives.

This little toolbox might just be my new favourite thing in my classro, Makedo Cardboard Tools

Elmer's 2153363 Build It Cardboard Tools Craft Kit (87 Count)