Puzzles and Brainteasers

Brain Boosters http://school.discoveryeducation.com/brainboosters/

Brain Food -challenging logic puzzle    http://www.rinkworks.com/brainfood/

Braingle- games, brain teasers, puzzles and more     http://braingle.com/

Brain Quest- Take the Brain Quest challenge   http://www.brainquest.com/kids

Puzzle Parlor- Interactive games and puzzles    http://www.gamepuzzles.com/pparlor/puzzleparlmm.html

Puzzle Playground- A treasury of classic and modern puzzles  http://www.puzzles.com/PuzzlePlayground/WelcomeToPuzzlePlayground.htm

Mystery Master Logic Puzzles     http://www.mysterymaster.com/puzzles.html

Scholastic Games and Puzzles   http://www.scholastic.com/kids/stacks/games/

Conceptis Logic Puzzles  http://www.conceptispuzzles.com/

Towers of Hanoi- An interactive version of the ancient logic puzzle http://illuminations.nctm.org/ActivityDetail.aspx?ID=40

Sharp Brains- Top 50 brain teasers  http://www.sharpbrains.com/teasers/

Puzzlemaker by Discovery Education- Create your own puzzles  http://www.discoveryeducation.com/free-puzzlemaker/?CFID=13729171&CFTOKEN=69868598

The Grey Labrynth- Can you solve the unsolved puzzles? http://www.greylabyrinth.com/puzzles

Puzzle Soup- Daily puzzles, wordles and more! http://www.puzzlesoup.com/

Riddles and Brainteasers by National Institute of Environmental Health Sciences http://kids.niehs.nih.gov/games/riddles/index.htm

Visual Puns http://rwmarketing.com/News/VisPun.html

Semantris Word Association Games https://research.google.com/semantris/