Shop › Tricky Triangle Image 1 of 1 Tricky Triangle $15.00 Brain teaser, IQ buster - what ever you want to call it, we call it FUN!Single player strategy game. Comes with pegs. Quantity: Add To Cart Added! Brain teaser, IQ buster - what ever you want to call it, we call it FUN!Single player strategy game. Comes with pegs.