In this instructable I will explain how to make a water bottle that looks like water will spill all over but it has a seal besides the cap. You can easily trick people by acting like you are going to splash them with water, but the water stays in the bottle.
You will need
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Step 1: Making the Bottle
First you have to fill the the bottle about 3/4 full. Then get a circular piece of plastic and glue it in. Make sure that the seal is good otherwise water is going to come out.
Step 2: Have Fun With It
When it is unexpected just pull out the bottle and fake spill it on someone and get a funny reaction.
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Keep the Bottle Contest