Yes, you can use the capsules from capsule poi in other props like podpoi and staffs.
Only capsule lights in capsule handles are not modular - capsule lights in all other capsule-based props are interchangeable.
You will need a C-ring for a capsule light to fit into a podshell (no C-ring for the flowcap). You will also need the tri-ring to secure the petals of the pod.
You can find both products on our website here:
Here is a quick video on capsule poi assembly that should help as well:
If you have any questions please feel free to contact us!