In a bid to battle the "showrooming" phenomenon that is hurting big-box retailers, Toys "R" Us Inc. said Monday it will start selling its own proprietary tablet designed for children.

The $149.99 Tabeo will be available only at Toys "R" Us, so shoppers won't be able to try it out in a store and then purchase it for less on a rival retailer's website. The tablet goes on sale Oct. 21, and pre-orders are now available online at Toysrus.com.

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