Brain Boost Puzzle
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🧠 Challenge your mind with the Brain Boost Puzzle – the Einstein Lock.
🪵 Crafted from smooth, durable wood for a premium feel.
📏 Compact size (113×75×13mm) – perfect for pockets or desks.
🧩 Fun, tricky, and great for sharpening logic and patience.
🎁 A clever gift for thinkers of all ages.
$22.50
(Inclusive of All Taxes)