Luca Genius Preschool "Luzac Media Puzzle Games " Educational Apps For Toddlers & Pre-schoolers. Another Montessori based app from Luzac Media. |--| Prove you’re a little whiz kid with Luca Genius, mobile’s best brain-teaser game for children aged 2 to 6. With over 180 screens and 260 questions, Luca Genius is the perfect app for your child to learn while playing. Each screen has one or many questions and your child needs to figure out the answer. Questions range from simple concept such as “Where is the triangle” for the 2-4 years old to more complex concept such as “Beth is taller than Jane. Who is Beth?” for the 4-6 years old. download link :.