20-piece Jigsaw Puzzles
(Free browser games) p.16
Rotation on the ∞ OrbitPrank of a Sheltered GirlMaster of IaidoStretching and Shrinking Woman's FaceReclining BeautyExplanation of Visual IllusionFailed Attempt to Jump on a SwingMulticolored Light RadiatingWhirling TornadoCouple Staring at Each Other3D Visualization of a SkullBowling StrikeSpace with Squares Popping OutGirl with Flower Crown Sliding SidewaysShining ABCRotating Earth CGDND Double Spiral StructurePrincess of Southeast AsiaOld Man Doing Push-upsStriped Objects