DOXISHRUKY Silicone Ice Cube Trays Combo Round Ice Ball Spheres Ice Cube Tray Mold (6 Round Ice Ball BlackSpheres)

How do you fill this ball ice tray? The only thing I can think of is to use an eye dropper. lol

Are they dishwasher safe?

I can’t get it to work properly and I didn’t get any instructions to tell me how to do it it leaks when you pour water in it please advise

Can you use these for hot chocolate bombs?