How SIMA’s Both-Hand Methodology Boosts Mental Agility
SIMA Abacus emphasizes a “both-hand” abacus manipulation method, which is at the heart of its whole-brain development approach: Left hand movement on the Abacus stimulates the right (creative) hemisphere of the brain Right hand movement on the Abacus stimulates the left (logical) hemisphere of the brain. Using both hands […]
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