If you are looking for an herbal "solid extract" which is typically a super-thick, molasses-like paste designed for spooning or dissolving into tea:
Licorice Botanical Syrup (Solid Extract) - Wise Woman Herbals where to buy black licorice extract
Reviewers and herbalists prize solid licorice extract for its dense active compounds: If you are looking for an herbal "solid
If you are looking for traditional, 100% pure hard licorice extract that you can break apart to suck on or melt into recipes: where to buy black licorice extract