STEM Lesson Series Lesson 12: Robotic Hand



For Grades: K - 6

Step 1 - Introduction

5min

Lesson Overview

Build a model finger or whole hand using cardboard, straws, and string! 

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Photos from Nerds

Step 2 - Learn More

10min

3D Printed Hand for Max

PBS Design Squad (4min) This is a sweet video! Little Max gets a 3D printed hand and it shows the process of printing, assembling, and improving the hand.

Step 3 - Your Project

20-30min

Gather your materials!

  • Thin cardboard (like a cereal box)
  • Straw
  • Paper clips
  • Scissors
  • Tape
  • Glue

Step 1

Trace hand on cardboard and cut out.

Step 2

Fold joints into in each finger.

Step 3

Tape or glue small sections of straw onto each finger section between the folds.

Step 4

Run a piece of string or yarn through the straw sections and tie at the top

Step 5

To help your finger pop back up, tape a rubber band to the back side of the finger.

Step 4 - Share

10min

Share with someone you love!

Share with someone you love! Today’s recommendation is to call a grandparent (or older family member) that doesn’t live at your house, and tell them about your project!

  • Possible things to talk about:
    • What did you learn?
    • What did you build?
    • What problems did you run into?
    • How did you solve them?

Step 5 - Go Deeper

1,000,000min
For Grades K-6

Learn more and try new things!

  • Can you build another hand out of a different material?
  • What if you used other tube material like hollow pasta?
  • What if you made a giant hand! 
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Policy Cancellation



UPDATE: Coronavirus COVID-19

Due to the current health crisis we have relaxed our cancellation policy for this summer. The health and wellbeing of your child, our staff, and you are of utmost importance. This year we will implement very strict health standards. Any child with flu, cold, or even allergy like symptoms will not be permitted to attend class. We want you to feel confident that if your child is healthy, they will be safe attending class. We also want you to feel confident if your child is sick, you will be refunded or rescheduled with zero hassle.

Standard Cancellation Policy

  1. Full Refund if you give us MORE THAN a 14 day notice from the first day of class.
  2. *No refund if you give us LESS THAN a 14 day notice.
    *NOT APPLICABLE FOR SUMMER 2020 DUE TO CORONAVIRUS.

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