Water Sensor: Terra Cotta Worm Design 5 pack
Protect your plants from drying out by reminding yourself to water them with Wormie the Water Sensor. The Wormie Worm is made of a specially coated terra cotta that absorbs water. When your plant is adequately watered Wormies color will be dark. As your plant starts to dry out so will Wormie and his color will lighten telling you it is time to water.