### Ingredients

- Tapioca starch (binder) [^1]
- Coffee ground waste (filler/dye) [^1]
- Vinegar [^1]
- Water [^1]

### Tools & Equipment

- Mixing bowl [^1]
- Stirring utensil [^1]
- Stove/cooktop (low heat) [^1]

### Molding Supplies

- Mold (size varies) [^1]
- Wax or wax paper (for mold lining) [^1]

### Drying Equipment

- Room-temperature drying space (2–4 days) [^1]
- Oven (optional, for faster drying) [^1]

[^1]: Tutorial text details