Cafago offers the Mini GPS Locator for Kids for $38.66. Coupon code "J2379U" cuts it to $28.19. With free shipping, that's $30 off and the lowest price we could find. It features IP67 rated water resistance and an SOS button.
Note: This item ships from China and may take up to two weeks to arrive.
Knowing what to expect in advance can help you prepare for -- and adjust to -- life in your golden years.