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Completely mechanical design means no batteries are ever needed
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ensuring safety and longevity for endless hours of educational play
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no batteries
Woyuosn Metal Brain Teaser Puzzles Physics Mind Color:C Completely mechanical design means no24 different styles of metal wire puzzles are made of high quality metal. [High Quality Metal Puzzles] We use an integral forming process to ensure the puzzles are smooth and gentle to the hands. We use three layers of nickel plating to prevent rusting or bending with use. [Benefits of Puzzle Games] Playing this Metal Wire Puzzle can improve the ability to observe, understand, analyze, and reason; it can train divergent thinking and attract children's
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US$ 78.00
