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About the application:

An instant classic, 21 Marbles is a revolutionary mini game that starts out simple, but at the higher levels challenges even adults. It's a friendly and relaxing mini game - the best method to receive children to practice arithmetic with little numbers and at the same time learn about reasoning, logic and perseverance. 21 Marbles is inspired by the Montessori and Waldorf methodologies, and the Russian Math School. It involves reasoning related to Sudoku, but with movement and colours that create it engaging even for infants. Ideal for homeschooling math, as well as for brain training versus Alzheimer's . Features: - This mini game starts out simple, but quickly picks up in difficulty. To collect all 21 marbles some brain stretching and patient strategising will be needed. - It's fun to roll the marbles with true physics, break them and place them back together. - It's a sudoku-like puzzle that is fast and colorful. You won't fall asleep solving it. - It's designed for children but is known to be enjoyed by adults. - 21 Marbles is a good occasion to play together with kids or challenge each another. - With your assist or without it, this mini game will teach children about looking ahead and reasoning, while also enforcing the most necessary addition facts for the youngest ones. - 21 Marbles is appropriate also for a school setting as it doesn't contain unwanted distractions and has a very explicit and friendly measure of progress. (e.g. "Have you got a transparent marble yet?") - Features beautiful marbles that motivate children to continue even when the going gets tough. - The levels are various every time you play, so while the mini game can be completed in a few days, it can be played once more and once more and never gets old (however see the next point). - The mini game has an ending and doesn't test to receive you or your kid hooked forever. No addiction techniques whatsoever are employed.