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How to find new uses for old tennis balls
Inspect the old tennis balls.
If they're dirty, give them a quick wash. A simple soap and water solution rubbed over the dirty parts will probably suffice, or tennis balls can be placed in the washing machine inside a.

pick from the following.
+ One perk of tennis balls are that they simply have a nice texture, so as long as they're fresh and haven't thrown away, they can be washed. You may find this task easier if you happen to have clean tennis balls at home or at a thrift store..
+ Purchase a bag of tennis balls from a sporting goods store. You can find tennis balls on sale at sporting goods stores and garage sales..
+ Run a paper towel over the balls before you toss them out, to remove and clean the grime. Flush out all of the old tennis balls with a detergent..
+ If they're split, they may still have some uses, so don't throw them out just yet. Put old tennis balls to good use around the house..
If they're split, they may still have some uses, so don't throw them out just yet. Put old tennis balls to good use around the house.