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Easy Underwater Viewer
![]() Budding secret agents can investigate fishy activity in local ponds with a sneaky spying device. 1. Rinse out an empty half-gallon carton of milk; cut off top and bottom. Let dry. 2. Cover one end with plastic wrap, securing with a rubber band. Then submerge the wrapped end partially in water (an adult should supervise), and look through the top to see what's going on below.
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