Genius Einstein pin group

Size: about 3 cm long, the widest part is about 3 cm Material: metal 珐琅 Import from America Don't go to Einstein and E=mc square, you also know about relativity! 〖A little creative museum store〗 A little creative museum store collects a little bit of unique and unique ideas from all over the world, shares your product-related stories, lets you view museums around the world at home, and quickly buy exotic stores without going abroad. Creative!