This printable brain teaser will baffle your mind.

Tease your brain with this visual puzzle and challenge the power of your mind.

Printable Brain Teaser #1

Using your 3d visual skills (slightly cross-eyed, try to make a 3rd circle appear in the middle  of the two circles.

What pattern do you see?

Can you make it change?

Depending on what you see in the 3rd circle will determine which side of your brain has dominance.

The goal is for whole-brain dominance or simultaneous use of both brain hemispheres.

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Brain Dominance