If Dad likes to hang out on the water, then maybe you want to get him a boat instead. But the Gibbs Aquada is even better than a boat -- it's a car that converts into a boat, so you can drive right to the lake and take to the water.
For more practical gift ideas, check out our list of 10 Essential Gadgets or test your knowledge with the World Records Gadgets Quiz.
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Virtual reality makes it easier — and a little more fun — for sick kids to deal with painful medical procedures. Find out more at HowStuffWorks.