Light and Shadow Play on Groundhog Day

Learn about groundhogs, light and shadows in an engaging hands-on experiment that will have your students thinking outside the box! 

All about groundhogs + the legend

Learn about groundhogs, light and shadows with video resources and student worksheets. image of modern tiny home

Plan and perform an experiment

Design your experiment, build an LED light, construct your model and measure shadow lengths.

Interpret data + draw conclusions Use your data to interpret the Legend of Punxsutawney Phil and present your theories to peers. 

Presented by:

Marci Klein M.D.

co-founder, 3DuxDesign

As an NYU-trained pediatrician with a fellowship in academic medicine, Dr. Klein creates content to support holistic learning experiences that support kids academic and social-emotional growth.

  • Download the project
  • videos for students 
  • videos for educators
  • Print drafting sheets
  • Get materials
  • Standards
  • Join the  Contest

facilitator guide

student packet

electricity + circuits

print groundhogs 4/page

See sample project!

Introduction to the project for students:

All about groundhogs and their special day:

Learn about light and shadows:

Optional opaque, transparent and translucent:

watch the video tutorial on how to run the project in class and an easy way to make the "flashlights" using basic materials


Gobox Pro • LED lighting

Each  GOBOX PRO Classroom kit comes with 400 connectors, 500 cardboard shapes and 10 LED light kits for a class of 30 students. 


Go-Pack Kit for Home

GO-Pack PRO Maker Kit with LED lighting

Everything you need to create your arctic home, light it AND enjoy the wide range of 3Dux projects is in the 3DuxDesign Go-Pack PRO. Buy more and save!


Limited Edition Contest Kit

Limited Edition Competition Kit

This limited edition kit is a perfect lower cost solution for the whole class.  It includes the material needed for 8, 3-student teams. 


Enter 3DuxDesign’s first official Contest! 

Get your engineers and scientists revved up for the 3DuxDesign Myth-Buster Contest. Teams use 3DuxDesign materials (or pick up our limited edition contest kit) with the Groundhog Day project and submit a presentation for a chance win! One team will be chosen to be featured on the 3DuxDesign Global Student Showcase. Each student from the winning team will also win a jumbo connector set.    


The rules

  • Teams can include up to 3 students, classes can have up to 8 submissions

  • Each team will do the project and create a presentation to debunk the Groundhog Day myth.

  • Submissions may include any combination of drawings, photos, written content, video, and more! 

  • Projects will be judged on accuracy and creativity, while we LOVE cool technology and special effects, these will not be a factor in the judging process due to limited availability of resources in some schools.

  • Facilitators will submit project through the link in the project page by February 28th, 2023 11:59 pm.

  • Prizes can be shipped to US and Canada only.

Submit presentations here

Need materials?

 Get this lower cost kit for your class!

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Limited Edition Competition Kit

Don't want to join the contest but just want to share? We LOVE to brag about our 3DuxDesign Innovators! 

Post your projects with us on social using the tag and hashtags @3duxdesign #3duxdesign


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stem with friends remote playdates

3DuxDesign wants to help keep kids connected. let us host a STEM With Friends Remote Playdate. Send each friend a kit and we will schedule a free design/build activity for you  and 5-10 of your besties  

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