Only one color, but not one size.
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain.
Doing no harm, and feeling no pain.
Answer: shadow
Select a pack of riddles and try to solve it in an interesting way.
This riddle appears in the following downloadable PDF files:
Einstein said that only 2% of the world could solve this problem. Can you do it?
Complete the grid by using logic and the given clues of each problem.
Use logic deductions to solve problems that are similar to the Einstein's Riddle.