The inner neck is supposed to come out, but the outside of the cup does not disconnect from the bottom. Did you purchase this locally, or was it shipped to you?
You should be able to use some Weld-on, I believe #16, to fix it. Confirm with your local plastics supplier about the Weld-on, by telling them that you're gluing PVC to Cast acrylic, and they will set you up with what's needed.
You should be able to use some Weld-on, I believe #16, to fix it. Confirm with your local plastics supplier about the Weld-on, by telling them that you're gluing PVC to Cast acrylic, and they will set you up with what's needed.