Mini Zen Garden Sand Stamps, Set of 8, for Relaxation and Meditation Posted: September 7th, 2018 — $17.95 This 8 piece stamp set is intended for use with your mini zen garden. Create new designs in the sand. Stamp once or stamp multiple rows and columns for a pattern effect. Stamps are constructed of untreated wood. Keep away from moisture and store in a safe place when not in use.