1. This undated photo provided by Lego shows “Reptar,” a robotic snake that is one of 17 possible creations available in the new, $350 Lego Mindstorms EV3 platform.

1. This undated photo provided by Lego shows “Reptar,” a robotic snake that is one of 17 possible creations available in the new, $350 Lego Mindstorms EV3 platform.

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