How to Make a Liquid Into a Solid

Beginner 20 min 21 steps 4499 views Rating: 4.9/5 Published: 2026-03-22

Pour water into a plastic container.. Place the container of water into the freezer.. Leave the water in the freezer for at least 3 hours.

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Steps

1

Pour water into a plastic container.

Step 1

Pour water into a plastic container.

2

Place the container of water into the freezer.

Step 2

Place the container of water into the freezer.

3

Leave the water in the freezer for at least 3 hours.

Step 3

Leave the water in the freezer for at least 3 hours.

4

Remove the container from the freezer and observe the ice.

Step 4

Remove the container from the freezer and observe the ice.

5

Mix 1  c (240 mL) of water and 3 c (675 g) of sugar into a saucepan.

Step 5

Mix 1  c (240 mL) of water and 3 c (675 g) of sugar into a saucepan.

6

Coat a damp bamboo skewer with dry granulated sugar.

Step 6

Coat a damp bamboo skewer with dry granulated sugar.

7

Bring the sugar-water to a boil on a stovetop burner.

Step 7

Bring the sugar-water to a boil on a stovetop burner.

8

Pour the boiling solution into a heat-safe glass container.

Step 8

Pour the boiling solution into a heat-safe glass container.

9

After 10 minutes, lower the sugary end of the skewer into the solution.

Step 9

After 10 minutes, lower the sugary end of the skewer into the solution.

10

Allow the crystals to form for at least 1 week.

Step 10

Allow the crystals to form for at least 1 week.

11

Remove the skewer and observe the solid crystalline sugar.

Step 11

Remove the skewer and observe the solid crystalline sugar.

12

Microwave 1  c (240 mL) of whole milk until it's steaming.

Step 12

Microwave 1  c (240 mL) of whole milk until it's steaming.

13

Stir 4 US tbsp (59 mL) of vinegar into the hot milk.

Step 13

Stir 4 US tbsp (59 mL) of vinegar into the hot milk.

14

Scoop out the curds onto a stack of paper towels.

Step 14

Scoop out the curds onto a stack of paper towels.

15

Squeeze the moisture out of the curds using the paper towels.

Step 15

Squeeze the moisture out of the curds using the paper towels.

16

Roll the dry curds – now casein plastic – into a ball in your hand.

Step 16

Roll the dry curds – now casein plastic – into a ball in your hand.

17

Dye, mold, or sculpt the casein plastic if desired.

Step 17

Dye, mold, or sculpt the casein plastic if desired.

18

Allow the casein plastic harden for 48 hours.

Step 18

Allow the casein plastic harden for 48 hours.

19

Dissolve ¼ c (55 g) of table salt in warm water.

Step 19

Dissolve ¼ c (55 g) of table salt in warm water.

20

Pour the saltwater solution into a shallow baking pan.

Step 20

Pour the saltwater solution into a shallow baking pan.

21

Allow the water to evaporate naturally or in the oven.

Step 21

Allow the water to evaporate naturally or in the oven.

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