Making concrete molds from plastic items requires you to think outside the box. Look in your shed or garage for common plastic items such as old tubs, flower planters, buckets, jars and large container lids. Plastic boxes, statuary, kids' beach toys, litter cans and sandbox toys are possibilities. With your collection of plastic molds, you can create stepping stones, statuary, planters, personalized plaques and all sorts of decorations. Let your imagination guide you. Making concrete garden accents with plastic molds can be thrifty fun for the whole family.  Here you have commercial plastic molds that could help you to make your garden a paradise.