Hold [Ctrl] + [Shift] + [Alt] + W during game play. A prompt will appear at the bottom left corner of the screen. Then type 2061 and press [Enter]. Then press 'A' and press [Enter] to enable cheat mode. Enter one of the following:

Money [Shift] + M
Bricks [Shift] + Z
Cannon [Shift] + K
Wood [Shift] + H
Tools [Shift] + T