I’ve been eyeing these tools for many years. I think my 4 years old daughter are ready to use them.
Makedo provide kid safe saw that can cut thru cardboard easily; screw drivers and screws to help put together you and your child creations.
Makedo Explore | Recycle Cardboard Construction Tool Kit (50 Pieces)
Makedo Invent Building Set | Recycle Cardboard Construction Tool Kit (360 Pieces)
ChopSaw is like a table saw for cardboard that is kid safe. Love it!