Robert DuGrenier blows glass shells for hermit crabs. They’re pretty amazing. Aquariums are also using them because they let you see all the parts of the crab that are usually hidden inside the shells.
Middle and High School … from a Montessori Point of View
Robert DuGrenier blows glass shells for hermit crabs. They’re pretty amazing. Aquariums are also using them because they let you see all the parts of the crab that are usually hidden inside the shells.