Puzzles - Can you believe it ? - Hypnotic site for active minds and puzzle enthusiasts: enjoy making and solving puzzles, optical illusions, tessellations, geometric dissections, tangram like manipulatives, and mazes... Plus tools and resources for teachers and trainers! Archimedes' Lab is an hands-on wonderland which puts you in the driver's seat for endless learning and fun.
Set Puzzle - The object of the game is to identify a 'Set' of three cards from 12 cards laid out on the table. Each card has a variation of the following four features:
Fantastic Contraption - a fun online physics puzzle game.
JigSaw - online jigsaw puzzles where you choose the level of difficulty from a simple 6 piece cut to a challenging 247 piece cut.
PuzzleMaker - is a puzzle generation tool for teachers, students and parents. Create and print customized word search, criss-cross, math puzzles, and more-using your own word lists.