Be Agile and solve the puzzles.
Two, three or four wheels are turned by the app.
Find solution in as few moves as possible
Start with the practice mode to learn the principle.
Do you see the structural way to solve the problems.
When you get stuck, you can reset to the original problem.
Many hours fun to find the solution.

Several Languages:
UK Englisch,
DE Deutsch,
ES Espagnol,
NL Nederlands