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× Mini Hot Air Stirling Engine Single Cylinder Engine Motor Model STEM Educational Toy - Enginediy $20.99
$20.99
× Hot Echo Type Single Cylinder Quartz Heating Tube Stirling Engine Model $29.99
$29.99
× DIY Acoustic Levitation Electronics Makes Learning Kits for Science and Small Experimental Standing Waves $22.99
$22.99
× V8 Engine Model Kit that Works - Build Your Own V8 Engine - V8 Engine for Capra VS4-10 $109.99
$109.99
× Solar Magnetic Levitation Model Levitating Mendocino Motor Educational Model Vertical Stand - Enginediy $37.99
$37.99

Cart Totals

Subtotal $221.95
Total $221.95