The Pleo Killer: Watch out for a duel of the robotisaurs. Mattel is introducing a toy dino that seems poised to take on Pleo, a long-awaited favorite of gadget-hounds. Like Pleo, D-Rex has soft, rubbery skin, a sensor on his head to detect touches, and a tail that wags when he's happy. Unlike Pleo, however, he doesn't cost $350, and seems aimed more at fun-loving kids than tech-loving adults.
Mattel D-Rex, $150, Available Fall 2008 Photo by Mattel

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The annual Toy Industry Association's Toy Fair is every kid’s dream: A whole conference center packed with games, robots, balls, hula hoops, slime guns, Smurfs, and just about any other instrument of fun that you can imagine. Come to think of it, it’s every adult’s dream, too. Here are some of the hottest products from last week’s show, designed to appeal to tech-savvy fun-lovers of any age.