thai students create jigsaw puzzles of important scientists in the science learning base on thailand's national science day.

jigsaw child childhood puzzle puzzles hobby leisure children activity arm background beautiful boy business caucasian challenge color colorful concentration concept connect creative education element fun game group hand home idea joy kid learning people piece play problem shape solution solve solving strategy success table thinking together toy white woman young thai students create important scientists science base thailand 39aph39 national day soft selective focus