https://www.cia.gov/kids-page/games/index.html - puzzles, codes and other visual challenges!

http://www.fbi.gov/kids/games/games.htm - FBI games

http://kids.mysterynet.com/ -mysteries to solve and magic tricks

http://www.activemind.com/Mysterious/ - info about mysterious and unexplained things

http://www.secretsatsea.org/ - help Ace on the Case solve the mystery

http://www.eduweb.com/pintura/ - help solve The Case of Grandpa's Painting

http://www.cyberbee.com/whodunnit/fp.html - fingerprinting info for kids!

http://www.scholastic.com/blueballiett/chasingvermeer.htm
- Chasing Vermeer activities

Vermeer's Art