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Ships within 48 hours · Estimated delivery Oct 5 - Oct 10
while the power generation device is designed to increase voltage and current output
and the "month" will start flashing
Bluetooth Speaker: built-in SD card for storing and playing songs
Product Name:NikolaToy™ Creative alloy Ferris wheel model
and 140MM high
NikolaToy™ Stirling Engine - Cupid's Arrow In stock while the power generation deviceDescription Explore the power of thermodynamics with the Stirling Engine Cupid's Arrow. Watch the arrow spin and rotate in continuous motion when the bow is pulled back. This inventive and creative piece is an elegant way to learn about heat energy, making it a great decorative piece and educational toy.
US$ 119.95
US$ 361.68
US$ 19.95