Balconia Math : 21 Marbles

"Balconia Math: 21 Marbles" is a puzzle game designed for children 6-11 that promotes enjoyment of thinking and reasoning, with a "low floor, high ceiling" difficulty progression. The game features 21 marbles, each representing the number 10, that break down into smaller pairs in every level, encouraging players to practice basic arithmetic facts. Suitable for all ages, the game offers a relaxing and engaging experience.