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K'NEX® Energy, Motion & Aeronautics Set - Modern School Supplies, Inc.

K'NEX® Energy, Motion & Aeronautics Set

Sale price $152.99 Regular price $179.99 Save $27
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K'NEX® Renewable Energy Set - Modern School Supplies, Inc.

K'NEX® Renewable Energy Set

Sale price $169.99 Regular price $199.99 Save $30
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K'NEX® Roller Coaster Physics Set - Modern School Supplies, Inc.

K'NEX® Roller Coaster Physics Set

Sale price $254.14 Regular price $298.99 Save $44.85
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K'NEX® Forces, Energy and Motion Kit - Modern School Supplies, Inc.

K'NEX® Forces, Energy and Motion Kit

Sale price $127.49 Regular price $149.99 Save $22.50
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