Cardboard Cadets logo: a cardboard box rocketCardboard
Cadets
Printable STEM · ages 3–10

Kitchen-table engineering for curious kids

Cardboard Cadets makes printable build-and-test challenges using paper, tape and household stuff. Each one turns a real engineering idea into an afternoon your kids can actually do.

Take Flight on Etsy, $4.99 launch price Free Distance Dart PDF
Hang-Time Glider page Take Flight cover Spinning Copter page
How it works

Build it. Test it. Make it better.

1. Print at home

Instant PDF download. Regular printer paper, no special supplies.

2. Build and test

Fold, cut and tape, then fly it, measure it, and write down what happened.

3. Improve it

Change one thing and test again. That loop is how engineers work.

Our first pack

Take Flight

24 printable pages with 4 flight challenges for ages 3–10:

  • Distance Dart: how far can it go?
  • Hang-Time Glider: how long can it stay up?
  • Spinning Copter: a paper rotor that spins as it falls
  • Steer to the Target: bend the flaps, steer the landing

Plus a Family Air Show scorecard, an Official Flight Engineer certificate, and color-coded templates with no ruler needed.

$4.99 launch price through Nov 30, 2026, then $5.99 · instant download

Want more months? Quarter (3 packs) $14.99 · Year (12 packs) $49, or $39 founding price until Dec 9, 2026 · Co-op / classroom license $99.

Get Take Flight on Etsy
Distance Dart challenge page Steer to the Target challenge page Family Air Show page Official Flight Engineer certificate
Try one free

The Distance Dart Challenge

Not sure yet? Start with our free 8-page printable: fold-along steps, 3 dart templates, and a flight log for 6 throws. See what's inside.

Distance Dart Challenge cover
The Cardboard Cadets Engineer, a papercraft-style avatar
Meet the Engineer

Real aerospace engineering, shrunk to kitchen-table size

Cardboard Cadets is made by an aerospace engineer and dad of four homeschooled kids. He designs these activities to turn real engineering ideas into projects kids can do with paper, tape and a kitchen table.

  • MIT-trained engineer
  • Former aerospace engineer at Boeing and GE
  • Entrepreneur in robotics and technology
  • Dad of four homeschooled kids