Your Fun Place

Please wait a moment until the spiral has finished loading. When it’s spinning smoothly, stare at the center of the spiral for about a minute. Then look at the back of your hand… It will appear to be twitching and moving, as though bugs were crawling under your skin!

Is it moving and shimmering?

This optical illusion has two flaws. Can you find them both?

Is the red ball inside or outside of the cube?

Are the blocks stacked evenly?

Are these boxes all the same size?

Are the red lines the same length?

Are the red lines in this drawing perfectly parallel?

Which center dot is larger?

Why couldn’t you actually build this?