Check the listing for details. Kids Heart Challenge Keychains 25-26 Heart Heroes Robot Dogs (5) & Mystery Gift. Color: Multi-Color, Condition: New, Made in China. Listed at 30.00 USD. The Kids Heart Challenge Keychains 2025-2026 Heart Heroes are a set of five colorful robot dog keychains. Each keychain features a detachable keyring for added convenience. These keychains are designed to raise awareness for the Kids Heart Challenge, with each robot dog representing a different "Heart Hero." Perfect for modern era children who want to display their support for the challenge.The Kids Heart Challenge Keychains 2025-2026 Heart Heroes are a set of five colorful robot dog keychains. Each keychain features a detachable keyring for added convenience. These keychains are designed to raise awareness for the Kids Heart Challenge, with each robot dog representing a different "Heart Hero." Perfect for modern era children who want to display their support for the challenge.