The most well known species of carnivorous plants. Traps have a limited number of false alarms. Don't stimulate them too often. Artificially springing the trap drains the plant's energy.
Coffea Arabica is easy to grow indoors, makes a very attractive houseplant and if it likes you well enough, it will even rewards you with flowers and berries!
The trap of the Venus Flytrap is one of Nature's most amazing marvels. The outer edges of the two clamshell-like halves are lined with nectar glands and stout bristles.
Grow your own Coffee, will take approx 4 years for first harvest. It is actually very easy to grow, indoors. This is surely worth a try for something different.