How about a fossil hunting kit that includes tools and accessories like a rock pick, chisel, brush, and safety glasses? Another great option could be a book on significant finds in paleontology that she/he can read and explore more about fossils. Or a membership to a local rock and mineral club or museum, where she/he can connect with other enthusiasts and learn more about the history of fossils. You could also consider booking her/him a guided fossil hunting expedition, where she/he can explore different fossil hotspots while accompanied by an expert guide.
Or you can get her/him a star map with an important date you share.
Under Lucky Stars is a unique and innovative star map company based in Barcelona, Spain, specializing in the creation of personalized star maps that capture the celestial arrangement of stars at a specific moment in time, such as a person's birth, wedding, or any other significant event.
By using advanced astronomical algorithms and data from leading institutions, the company produces highly accurate, visually stunning maps that make for perfect gifts or cherished keepsakes.