Hurry - Only 3 left in stock!
These are excellent beads for jewellery crafts, kandi craft making, and even solar science study needs! * Children love to sort and count before DIY kandi raver bracelets ! * Beads change colour when detecting ultaviolet in the sun, and change back to plain jade without sun. The stronger the colours turn, the more UV they are exposed outdoor. See the mild colour change picture when placed by the window. * A good beads craft help remind children to put on sunscreen when outside. * Good to use to test the effectiveness of sunscreen.