Free sample

Homeschool / Co-op Animatronic Hand

Download a free one-digit STEM sample (PDF). When you are ready, get the full five-digit digital pack for $39 — build guide, cut files, code, and first-principles lessons. Hardware sourced separately. Ages 8+ with adult help.

STEM only · Affordable for co-ops · Honest BOM (~$42–148 hardware) · Keepable desk demo, not a craft throwaway
Download free PDF sample Buy Homeschool / Co-op pack — $39

What the free sample includes

  • Mini parts list for one birch finger + SG90 + Spectra
  • Abbreviated build steps (no soldering)
  • Working Arduino teaser sketch
  • One first-principles “why” paragraph (levers + PWM)

What the $39 pack adds

  • Full five-digit palm + digits + forearm tray (SVG/DXF)
  • 5× SG90 independent actuation guidance
  • Wave / sweep / optional pot control code
  • First-principles lessons: DOF, mechanical advantage, antagonistic tendons
  • Classroom license $59 — 1 educator, up to 10 learners

Homeschool / Co-op

Homeschool / Co-op Animatronic Hand Pack — $39

Digital pack only. Instant download after Stripe checkout. Built for co-op leaders and elementary STEM teachers who want a keepable five-digit robotics demo plus the co-op facilitator addendum.

Buy now — $39

Classroom license $59 — 1 educator, up to 10 learners