This is a great Christian faith keychain gift. It has a goldtone oval mustard seed charm to remind us of the Bible verse of Matthew 17:20 that says that with faith the size of a mustard seed, we can move mountains! The charm measures approx. 3/4 inch across. Each keychain comes with a card of the scripture of Matthew 17:20. This item contains small pieces and is not intended for children under the age of 14.