Bucky Balls ($29.95)
Who says science isn't fun? This innovative set of 216 tiny magnetic spheres is great for kids who need something to keep them busy when their PSP is recharging. The magnets can be shaped, molded, squished into a ball, torn apart, carefully arranged into cool designs—the possibilities are unlimited. Warning: this toy is incredibly addictive and hard to put down, so watch out that Mom and Dad don't "confiscate" it. (Note: It's also a toy for big kids. Younger kids could choke on the spheres.)
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