Methods: Prepare tools and materials: lighters, candles, scissors, cans, glass glue, matches, etc.

2. Making a candle mold: cut the cylindrical surface of the can, cut a groove at the bottom with scissors, turn the can upside down on a flat surface, and draw a circle at the bottom of the can with a pencil.

3. Melt the candle: cut the candle into small pieces and put it in the groove of the jar to heat and melt. After the candle is completely melted, pour the candle liquid into the jar with a spoon until the liquid level reaches the circle drawn by the pencil.

4. Wait for solidification: wait for the candle liquid to completely cool and solidify, turn the jar upside down and take out the candle mold.

5. Making a fingerprint mold: put the prepared candle mold in the palm of your hand, gently press it with your fingers, and take out the fingerprint mold.

6. Purchase: Search for fingerprint molds online and choose a merchant with good reputation and good reputation to buy.