Formula Jigsaw is a fun online puzzle game. Drag the pieces into right position using mouse. Solving puzzles is relaxing, rewarding, and keeps your brain sharp. You need to spend $1000 to be able to purchase one of the following pictures. You have three modes for each picture from which the hardest mode brings more money. You have a total of 10 pictures. Formula Jigsaw, puzzle game, online puzzle, brain training, relaxing puzzle, skill game, kids puzzle, jigsaw puzzle, problem solving, mental workout, fun puzzle, easy to play, free puzzle, challenge, rewards, picture puzzle