In this video I provide a description of how you can create nose weight or tail weight using lead shot balls, silicone trays, and epoxy.

You can purchase the silicone trays here on Amazon:
BUYGOO Epoxy Resin Molds Resin Casting Molds Silicone Square and Rectangle Molds for Resin Jewelry, Soap, Dried Flower Leaf, Insect Specimen 11PCS Different Sizes https://www.amazon.com/dp/B084ZCX1GS/...

Here is the lead shot that was used in this video:

Lead Shot Balls #7.5 bag 4 lbs (64 oz) (1.8 kg) (0.094") (2.39 mm) Dia https://www.amazon.com/dp/B01C51TD22/...