Change colors like magic!

My son likes to watch videos on YouTube of people playing with these color change cars so I got him a couple for Christmas (Mater and Ramon). He absolutely loves them and they've become his go-to bath toys. The water needs to be quite warm and quite cold (ice water) for the cars to change. We usually bring a bowl of ice water to the bathtub. Since they're meant to be played with in water, there's been no rusting or corroding and they're holding up well. I plan to buy him a couple more of the characters for his birthday.

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