- Diverse Challenges: From optical illusions to tricky arithmetic, there's something for every problem solver.
- Enhanced Thinking: Fine-tune your visual and numerical skills while having fun.
- Mind Fitness: Keep your brain active and sharp, enhancing cognitive functions.
- For All Ages: Suitable for both young learners and adults, offering varying levels of difficulty.
- Perfect Gift: A unique gift for anyone who loves a mental challenge.
Book
Visual Thinking & Number Challenges: Over 200 Puzzles to Solve
by Igloobooks
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Spiral
$9.99
- Diverse Challenges: From optical illusions to tricky arithmetic, there's something for every problem solver.
- Enhanced Thinking: Fine-tune your visual and numerical skills while having fun.
- Mind Fitness: Keep your brain active and sharp, enhancing cognitive functions.
- For All Ages: Suitable for both young learners and adults, offering varying levels of difficulty.
- Perfect Gift: A unique gift for anyone who loves a mental challenge.
Spiral
$9.99