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× Mini Hot Air Stirling Engine Single Cylinder Engine Motor Model STEM Educational Toy - Enginediy $20.99
$20.99
× Solar Magnetic Levitation Model Levitating Mendocino Motor Educational Model Vertical Stand - Enginediy $37.99
$37.99
× Stirling Engine Generator Model DIY Assembly Kit Physical Experiment $34.99
$34.99

Cart Totals

Subtotal $93.97
Total $93.97