Cool ring. Very interesting toy. The ring really changes color with temperature. I am pleased with the product
Really changes color depending on the temperature-at high-blue, at low-green. I liked it very much, i'll order more. Thank you
it is as described and does change color's. I recommend and will order again. they're fun rings thanks seller.
The product came in good weather and condition, good material, works very well, it changes color as the description says, i am very happy with the purchase. Thank you.