Challenging Critical Thinking Puzzles (repost)

Finish layouts, do tricky calculations, and solve the complex mysteries of visual designs. Take a scissors and try to duplicate a "mind-bending" curved design with just a few snips. For a change of pace, find the identity of 30 coins that equal $1.00. (25 pennies, 1 nickel, 2 dimes and 2 quarters.) Answers are in the back–in case you're tearing your hair out in frustration!