Place all 8 pieces onto the board to form a complete closed loop - a circuit.The pieces must satisfy all the clues on the board: 1. The green channels must be covered with puzzle pieces. 2. The black lines indicate where two pieces must be joined.Rotate: Drag a piece by its round circle. Flip: Tap a piece.Select a challenge using either the Next or the Choose Puzzle (menu) button in the lower right corner on the screen or the menu icon top left.
