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● When you put it in the bath, the color of the Shinkansen bullet train will change.
● It sticks with a magnet.
If you put it in the bath, the color of the mini car will change.
● The color of a miniature car will be “when cooled” in ice water below 15 ° C or outside temperature.
The color will be “when warmed” with hot water of 35 ° C or higher or outside temperature.
Color change does not occur at temperatures between 15 ° C and 35 ° C, and the color remains as it is.
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