Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to make fake ice [title] Gather your tools and materials. [step] You will need clear craft beads, a metal file, baking tray, aluminum foil, small ice cube sized boxes, a utility knife, and an oven. [title] Fold a sheet of aluminum foil several times until it's thick.

Ending1: [step] It should have 7 to 10 cubes in it. [substeps] Create small x points on the sheet with your sharp edge over the salt and melted craft wire. Ending2: [step] If you want, you can attach another sheet of aluminum foil to the oven rather than folding it. This will provide a bit of protection, especially if you're making fake ice by hand. Ending3: [step] Take scissors and tear open about 1 1/2 to 2 inches (1.3 to 3.8 centimeters). Fold two strips at the bottom of the sheet of foil. Ending4: [title] Place the small box on the foil and neatly wrap it around securely. [step] It's important to securely wrap the box to avoid leakage when melting the beads.

Answer format: ending1/ending2/ending3/ending4