In this free online brainteaser, players are tasked with a series of screw puzzles. Replace the screws to let all the metal plates fall, and knock down the keys to get rid of padlocks. Collect coins to buy hints or watch a video walkthrough once you stumble upon exceptionally challenging puzzles. In the Jigsaw Mission mode, your objective is is to figure out the step sequence to create the given contraption out of the initially given metal puzzle. Finally, try the Jigsaw Puzzle mode to create the given gizmo from spare parts. Such logic games online are perfect for brain-training at any age - both as games for seniors and unblock puzzles for kids.
