Book (Practical) Medicine Brain-Activated Adult Fun Computational Brain Drills, Math Puzzles
※Please note that product information is not in full comprehensive meaning because of the machine translation.
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Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Medicine
Hobbies / Miscellaneous Studies
Healthy Brain Practice Book / Supervised by Professor Ryuta Kawashima of Tohoku University. BRAIN AGE: Train Your Brain in Minutes a Day! with fun and interesting calculations. Full of fun problems such as shiritori calculations, relay calculations, speed, speed additions, coin additions, cross calculations, hole calculation puzzles, etc. Let's enjoy numerical BRAIN AGE: Train Your Brain in Minutes a Day! while playing.