Balls of clay could have provided prehistoric data storage
Kaolin Clay Balls - Mini – Earth's Clay Store
Clay Balls | Historic Jamestowne
Expansive Clay Pebbles Light Clay Balls For Plants - Temu
Lightweight Expanded Clay Balls | LECA | gathera
Amazon.com : O-FarFarm Clay Pebbles for Indoor Plants, Hydroponics Supplies Clay Balls for Hydroponic Growing, 3 Sizes to Choose for Orchids, Hydroponics, Aquaculture(1qt, 10-30mm) : Patio, Lawn & Garden
Amazon.com: Sukh Clay Pebbles for Plants - 15OZ Small Pebbles for Indoor Plants Natural Clay, Used for Drainage, Decoration, Aquaponics, Hydroponics and Other Gardening Essentials Leca for Plants(Brown) : Beauty & Personal
Clay balls unearthed at Mayan site probably used for cooking
Hydroton Expanded Clay Pebbles, aquaponic systems media
Beginners Guide on Hydroton Balls | Clay Balls For Plants | LECA/Expanded Clay Pellets | Hydroponics - YouTube
Hydrofarm 45 lbs. Gray Gardening PH Neutral Draining Clay Pebbles, Bag GMGC45L - The Home Depot
Expanded Clay Pebbles for Airponic Fruit 20L Bag
Hydro Crunch Expanded Clay Growing Media Hydroponic 10 l 8 mm Pebbles DBAUS10L - The Home Depot