Check out all the answers from Brain Test 3 Level 7 Argh! Another Locked Door. The game is very simple. All you need to do is find the solution to the tricky brain teasers. There are no specific rules just try all your knowledge, logic and creativity to find the unexpected solution. Brain Test offers many interesting features that will help you get through tough moments during the game just try to use them wisely. There is so much for you to learn and explore. Give it a try!
Tap on the hammer and drag it to the stone then tap on the small stone and merge it with the slingshot now drag it to the lock sign on top of the door.