The colour of the loo seat will show if someone has recently sat on it 鈥?will this affect your behaviour?
The main site, as listed above, is full of cool and uncool Canadian designs, depending upon your personal taste, of course.
I chanced on this page 鈥?a thermochromic loo seat. What will they think of next?
http://www.canadiandesignresource.ca/officialgallery/miscellaneous/thermochromic-toilet-seat/
The explanation and comments reveal how strange and different people are. Thought it might amuse the more anally retentive among us鈥?br />
On a similar theme, using thermochromic tiles, is this from a men's 'rest room' (do people in the USA really rest in there?)
http://tumblr.matrixagents.org/post/4903700946/thermochromic-urinal-way-cooler-than-this-one