Lionel Mora

Lionel Mora is a co-founder of Marble, an interactive learning world for kids aged 6 to 12. He reviews kids' games, shows and movies on Instagram (@withmarbleapp) by asking one question: what does a child actually practice while they play or watch?

Articles.

• The best learning apps for kids aged 6 to 12 in 2026
• Is AI safe for kids? A parent's guide for 2026
• ChatGPT gives kids the answer. Here is what helps them think
• The best video games for kids, ranked by what they learn
• AI tutors for kids: what the research says works
• AI chatbots and kids: what parents need to know about Character.AI, ChatGPT, Meta AI and Snapchat
• How to make screen time educational, according to the research
• How to raise a curious kid: nine habits backed by research
• What your child should know in math, grade by grade (K to 5)
• My child hates math. What helps?
• The zone of proximal development, explained for parents
• How to homeschool an elementary-age child: a practical guide
• The best cartoons and TV shows for kids, ranked by what they teach
• iPad games for kids, rated on whether they build the brain or just hook it
• Disney, Pixar and Studio Ghibli movies for kids, ranked by what they teach