How do you identify a 100-yen coin?
Capsule toys come in different prices such as 500 yen or 300 yen, but capsules of all prices are placed inside the same single-function machine. It is amazing that without using electricity, the type and number of coins can be determined simply by inserting them into the machine. Did you know that all coins have different weights and sizes?
GACHA-GACHA machine is specifically designed to only allow real 100-yen coins to pass through by distinguishing their weight and size without electricity.
