After looking at rayray086's thread and his excellent job on a false floor, I have been thinking of doing a similar thing but using it to store a Roadside Emergency Kit.

I was wondering if anyone here may have already had the same idea, and how they went about it.

I don't want to just throw everything in the boot, as the bottles will just slide all over the boot and create nothing but a huge mess.

Basically the kit would consist of:
A 5 Litre Bottle of Coolant
A 5 Litre Bottle of Engine Oil
A Bottle of Polish
A Chamois
A Sponge
A Can of Tyre Black