Mars would be the best one to answer here.
IIRC there were 5 different pads for different uses, eqch a different collour.
Had them on Afterglow2.com but there is a problem with the URL at the moment which I've been unable to resolve easily on account of sitting in a desert. A search of Tome of. treasures website should give you the info you're looking for.
This week I've been mostly eating . . . chicken and wild rice soup.