# 3D Spatial Puzzles

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#### The blue car and red car will crash into each other. They are in the same lane going in opposite directions. The pink car is safely in the other lane.

One way to see this is to cut the two lanes apart. You end up with a single strip of paper, but this time it is twisted twice, so it is no longer a Mobius strip. (It has 2 sides rather than 1.) You can see from the photo that the red and blue cars are on one side of the strip, heading toward each other.

One way to see this is to cut the two lanes apart. You end up with a single strip of paper, but this time it is twisted twice, so it is no longer a Mobius strip. (It has 2 sides rather than 1.) You can see from the photo that the red and blue cars are on one side of the strip, heading toward each other.

#### For the solution, click here.

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## The Net Problem

#### For the solution, click here.

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#### For the solution, click here.

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#### For the solution, click here.

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#### For the solution, click here.

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#### For the solution, click here.

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#### For the solution, click here.

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#### For the solution, click here.

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#### For the solution, click here.

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#### For the solution, click here.

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#### For the solution, click here.

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#### For the solution, click here.

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Very nice puzzles. Loved all these puzzles.

ReplyDeleteThanks so much!

DeleteThank you for the share its an awesome work. However kids can try 3D Logic as well.

ReplyDeleteAll these puzzles were very much fun to solve. Very good exercise for brain. Thanks for it.

ReplyDeletewow very good fun.

ReplyDeleteLoga/]

Very interesting puzzles. It helps to think in 3 dimension.

ReplyDeleteThanks - great puzzles!

ReplyDeleteThere are some other solutions to the last puzzle; I found 1 at #1, and 2 (with 6 "sections" of wire, instead of 4 in your solution) at #2, then I stopped searching ...

ReplyDeleteThe keyhole puzzle has the L-shaped piece taking up 3 spaces, but if you used the side facing down as the leading edge, couldn't it go through in two spaces?

ReplyDeleteLove these puzzles. Thanks for sharing!