Have you ever made or seen a device where there’s a drawing on each side of a piece of paper attached to a stick, and when you spin the stick the pictures appear as if they are one?
The fancy name for such a thing is a thaumatrope, and it’s actually really easy to make.
Team Cartwright has a post explaining why this works and how to make them. You can use their printables or make your own designs to construct your own optical illusion.
Check out the post at Team Cartwright to get all the details and the printables.
[Photo: Team Cartwright.]
A lot of kids aren’t in school for the Fourth of July, but whether you’re in a classroom or at home, you’ll probably want to mark July 4, 2026, in a special way because it is America’s 250th birthday. And there are lots of ways to learn and celebrate, as we’ll see below.
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