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Ages: 8+In search of the perfect wave? Try an electromagnetic one. Just like the ocean’s tidal forces, electromagnetic forces are incredibly powerful and awe-inspiring.Created to mimic the effect of a giant swell, Tidal Wave Thinking Putty comes with a powerful magnet to help you create incredible effects. Charge the putty with the magnet and watch as the iridescent blue crest moves toward it in an invisible magnetic field. You’ll even see ripples on the surface just like the sea.