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× Multi Stage Steam Turbine Physics Equipment Demonstration Educational Toy Enginediy $34.99
$34.99
× Stark Vehicle-mounted Solar Aircraft Shape Motor Solar Toy $24.99
$24.99
× Stirling Engine Kit DIY Single Cylinder Stirling Engine - Ideal Engine Model Gift for Your Kids Enginediy $24.99
$24.99

Cart Totals

Subtotal $84.97
Total $84.97