Plexi Puzzles _IAMONDHEX & ROUNDOMINOES _ bundle of 2 unique puzzles. (Colors May Vary from photos) Bundle of 2 unique, plastic, shape-creation brain teasers. (Colors May Vary from Photo) Roundominoes has 28 pieces and dozens of puzzle design challenges. Iamondhex has 12 unique, colorful, plastic shaped pieces called hexiamonds Fill in the tray and/or create dozens of fancy symmetries. Each puzzle individual packaged. Puzzle brochure presents multiple challenges.