Each sphere has a small flat spot on the bottom for it to sit flat. These are made with very hard resin that is easily cleanable and highly durable. Avoid keeping in direct sunlight to prevent the resin from yellowing.
Every part of the flower is fully encapsulated in resin, making it inert and unable to be consumed in any way. Now that the encapsulation and curing of the resin has completely chemically changed the living matter inside, it no longer posses any useable form of THC.