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× DIY Acoustic Levitation Electronics Makes Learning Kits for Science and Small Experimental Standing Waves $22.99
$22.99
× Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Kit Education Toy $27.99
$27.99
× 5 Cylinder Radial Engine Model Kit that Works - Build Your Own Radial Engine - TECHING 1: 6 Full Metal Radial Engine Model Kit 250+Pcs $469.99
$469.99

Cart Totals

Subtotal $520.97
Total $520.97