Sometimes it glitters, but often not;
May be cold, or may be hot!
Ever changing though the eye can't measure,
concealed within are many treasures.
Some find safety beneath its gate,
while some may die beneath its weight!
Old and broken, it brings forth life.
Answer: Rock.
This riddle appears in the following downloadable PDF files:
Can you solve one of the most famous logic puzzle ever?
Memory Matching game for kids, adults and seniors.
Connect the matching tiles and pop them all.