Finally the ST-00082 Mini PIR is here and can be ordered online:
http://shopsimplytronics.com/mini-pir-sensor/

And we also recently added the following items (you can click on the image to find them in our store).

4-Directional Tilt Sensor

LPG Gas Sensor (MQ-5 Sensor)

Sound Impact Sensor

5-AA Battery Holder with Barrel Jack

20″ Long, 3-wire Extension Cable

24″ Long, 3-wire Extension Cable