Before the invention of the modern-day calculator, there was the abacus. The chinese abacus was long used in daily business transactions and trading. A cue that the abacus is a wonderful symbol of wealth and prosperity! gold-plated and made of brass, the abacus key chain is a lovely piece that works exactly like a mini abacus (that is if you have tiny fingers). If you wish to use it for your or your children? academic success, keep it close by attaching it to the bag or stationary case, or place it in the sheng chi corner of the bedroom. It is also a handy piece for those taking abacus classes. If you have a business and wish to use it to enhance wealth luck, place it on or inside of your cash registrar. Every time the till opens, the abacus will produce the familiar clicking sounds, signifying money continuing pouring in. Your golden brass abacus key chain comes in a lovely red gift box. best executive gifts.