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× Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Kit Education Toy $24.99
$24.99
× Multi Stage Steam Turbine Physics Equipment Demonstration Educational Toy Enginediy $34.99
$34.99
× Low Temperature Stirling Engine Kit DIY Steam Heat Engine Motor Toy - Enginediy $34.99
$34.99
× Stark Vehicle-mounted Solar Aircraft Shape Motor Solar Toy $24.99
$24.99

Cart Totals

Subtotal $119.96
Total $119.96