Cress in Keyboard {How To}

[chief]

Here is a great way to surprise your friends or colleges.
Instructions are simple:

1. Remove all the keys.
2. Dress the inside with a soft cover of cotton.
3. Put the keys back.
4. Pour the cress seeds into the gaps between the keys.
5. Healthy spray of water every morning and evening.
And 1-2 weeks later the keyboard is green!