Dan Gilbert invents and designs award-winning puzzles and games including his Triazzle® brain teasers. His games have been licensed to Ravensburger, University Games, MegaBrands and others. For information about current games and visit Clear Blue Sky Design. Dan also designs games for computer and mobile platforms - to learn more visit Triazzle.com.
Triazzle® Poison Arrow Frogs is the best known of over one hundred of the award-winning brain teaser puzzles. First introduced in 1991, Triazzle® has sold over five million paper units worldwide and is now in production with the forth computer game.