Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to make elephant toothpaste [title] Look around your home for all the available resources. [step] You don't need to buy official lab equipment for this fun experiment as most of the supplies can be found at any home. Create a list of what you have available to you and see what you can improvise if anything is missing.

Ending1: Just make sure you have any spare supplies on hand too, you don't want to waste important supplies. [substeps] Consult with your lab's doctor if you have any questions. Ending2: [substeps] You'll want to have plenty of new dishes in the fridge and good old ones in the freezer. You might need new spoons, and you'll also need excellent toothpaste. Ending3: For example, if you do not have 6% hydrogen peroxide, you can also use 3 %. [title] Schedule enough time for setup, experiment, and cleanup. Ending4: Here's an example : [substeps] Make a list of things you have handy that you don't need to buy. For example, ants will chew through wallpaper, but you can find a toothbrush in a toaster or appliance hutch.

Answer format: ending1/ending2/ending3/ending4