Source: http://www.thriftyfun.com/tf31628697.tip.html

Dog Toy IQ Challenge

Cheap dog toy also provides an IQ challenge. Put a piece of dog biscuit or a treat in a Propel water bottle (with no cap and the plastic retainer ring removed). Let the dog figure out how to get the snack out. I got the Propel idea from one of the posters and some free bottles from someone who likes to drink it. Use the Propel bottles because they are quite sturdy.

Source: A poster on Thriftyfun.

By Holly from Richardson, TX

Source: http://www.thriftyfun.com/tf31628697.tip.html

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