CTC Walter Worm Water Sensor

This worm water sensor is perfect to keep a close eye on your favourite plants.

1. Simply put him into the soil when you water your plants and watch as he changes colour whilst soaking up the water.
2. When the soil and worm are dry, he will change back, letting you know it's time to get the watering can out.

Product Dimensions: 3x11cm

Material: Ceramic

Packaging: Cardboard gift box