Model # 32724335 Official Sears 750x zoom microscope set

Part #M-437

The manufacturer no longer makes this part, and there's no substitute part

Part #L-2

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Part #L-138

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Part #M-513

The manufacturer no longer makes this part, and there's no substitute part

Part #Y-102

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Part #L-5

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Part #L-140

The manufacturer no longer makes this part, and there's no substitute part

Part #L-7

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Part #L-132

The manufacturer no longer makes this part, and there's no substitute part

Part #L-187

The manufacturer no longer makes this part, and there's no substitute part