Lifelong Learning series: Atom Bracelet

**This product requires 30 days to make** Shipping: Within Hong Kong: 3-5 days after 30 days of making Outside Hong Kong: 7-14 days after 30 days of making This product is handmade, and so each one cannot be 100% identical. . Size: diameter of 1.8cm, chain: around 21cm (adjustable) . An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are very small; typical sizes are around a ten-billionth of a meter. - From Internet