I don't know if the children will use for their purpose. While playing with the key chains.

The goods are of excellent quality. Delivered whole without damage. Thank you seller.

Spotless locators. Also, practical for loss of objects. The seller is appreciated.

Item not yet tested as they do not include battery, so I do not know if they work

Squeak, respond. Delivery is long. The color is not as bright as in the photo.