The cactus is a sign of protection. Kids are naive and vulnerable and need protection. SANDy and her friends zip themselves into cactus suits because they thin the world is a cold scary place, and they need some armour to face it. The cactus is the converser of water, and water means life. The Cactus Friends are the representation of life, of being fragile and strong at the same time... and pure life water
mystery bags contain one of the 4 options and are non-returnable when opened.