Buy 3 different sized clear cylinder vases, a bag of white/tan rocks (or just pick some up outside), 3 fern leaves, 3 flat round candles in either a light green or tan color, lastly fill with water! All these items can either be bought at Michaels
Create a simple spring mantel display by placing plant sprigs in pretty vases and bottles. Various glass bottles with one sprig of greenery or tiny flowers. especially bleeding hearts and lily's of the valley in early spring.