How to make a funnel from a plastic bottle.
One can use any kind of scissors, but this is the one that I am using from Home Depot online which is useful for cutting plastic:
MABIS Precision Cut Shears These shears offer serrated edges that assist in cutting the toughest materials. MABIS shears are lightweight, durable, and provide unsurpassed performance under the most demanding conditions.
2. Plastic bottle (water bottle used here)
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Step 1: Cut Top Off
1. Cut the top off the bottle
2. Remove the cap
Step 2: Use Top
1. Flip the top over and use as funnel.