- PuzzlesGeoGebra PentominoesStomachion5-Piece PuzzleTangramGrandpa's DissectionIndiana Puzzle QuiltDeci-BlocksFlip FlopChinese Match Puzzles 2 (7 puzzles)Dudeney's puzzle + lesson planKandinksy Transformations PuzzleTranslations PuzzleSquare PuzzleMacMahon SquaresEgg PuzzlePuzzle TransformationLee Sallows' Self TilersBuild a Square WorkshopQuirinus PuzzleTruchet SquaresCould you fit it?9 piece puzzle EliseNumber CrossCatriona's PentagonHip to be SquareSquare PuzzleCatriona's PentagonsCatriona Shearer: Triangle and SemicircleCatriona Shearer Square PuzzleCatriona's Circle in a TriangleCatriona's SemicirclesSimilar TrianglesCover 100Catriona's Three TrianglesQuarter the CrossQuarter the Cross: 4 Dot ChallengeCatriona's Angle on Tangent CirclesQuadratic PuzzleDudeney's Christmas Pudding PuzzleAddition and elementary puzzleCatriona's Hexagon 4 TrianglesCatriona's Kissing CirclesThe SphinxPavage de Truchet par des quarts de disque64 geometric puzzles (a competitor of the tangram)Tokyo 2020 emblems - dodecagon tiling gameColor Square PuzzleTriangle to Square PuzzleMatt's SemicirclesBroken ElevatorGet off the Earth Puzzle
