This topic has 0 replies, 1 voice, and was last updated 7 years, 10 months ago by David Cotton. Author Posts 12 January 2014 at 10:09 #14101 I use Chillisticks http://www.chillistick.com/ You can have next day delivery. The smallest amout is around £27 and will do many demonstration. Once you purchase around £50 it will last for just over two days in the container. Keep the container as you may be able to get it from a local hospital or university Author Posts You must be logged in to reply to this topic.