EarlyBird - Simple way for you to invest in a child’s financial future.
hackattic - No nonsense, real world programming challenges
GoHenry - Money Missions - GoHenry gives families the tools they need to nurture financially healthy kids: a debit card & app, now with gamified Money Missions.
Codewars - Achieve code mastery through challenge.
Breadcrumb LMS - Enabling children to explore and learn on their own
Real Dev - Real-life coding skill challenge