Osmo Numbers Classic is a free iPhone game developed by Tangible Play Inc. It is designed to help children learn and improve their math skills in a creative and interactive way. With this game, children can add, count, and multiply tiles to pop number bubbles, which in turn will free fish and unleash a lightning storm. The game has been praised for its intuitive product design and has won the Fast Company Award for being one of the most intuitive product designs of 2016.

Osmo Numbers Classic provides a beautiful and engaging underwater world for children to explore. They can collect over 90 different types of fish, from Rainbow to Frankenfish, while learning and practicing math concepts. By encouraging multiple ways to solve problems and having no wrong answers, the game aims to replace the fear of math with an explorative mindset. It is a great tool for promoting creativity, problem-solving, and social interaction among children.