A Hole in Your Hand

Have you ever heard that your eyes can play tricks on you? Well, Abracadabra, here’s how to see there is a “hole” in your hand. This activity will take only a few minutes, a rolled piece of paper or tube and your trickable brain.


Idea Sheets are cross-referenced to subjects listed in the Common Core, Next Generation Science Standards, and California Content Standards.

Categories include:
  • Spanish
  • Life Science
  • Vietnamese
  • Grades K-2
  • Grades 3-5
  • Grades 6-8
  • Science
  • Translated
Tags: Structure & Function, Information Processing
Grades covered: Grades K–8
Topics: Vision, Perception, Optical Illusions

Video Demo

We prepared a video demonstration for this RAFT Learning Activity so you can see it in action. Watch more RAFT Videos on our YouTube channel.