呢塊係「會變色」的擦膠
只要將擦膠放在陽光下，擦膠就會漸漸變色，共有3款顏色選擇：
• 紅色 -> 紫色
• 綠色 -> 藍色
• 藍色 -> 綠色
Features: The laser of the sun changes color with the sun.
(Specifications) You can enjoy two shades in the shade and the shade.
Colors: Red change to Violet, Green change to Blue, Blue change to Green
Product Size: 2.2 x 0.8 x 0.5 inches
