Amazing Child Science and Technology DIY Puzzle Learning Toy Circulating Waterwheel

Amazing Child Science and Technology DIY Puzzle Learning Toy Circulating Waterwheel
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Price
US$ 23.99

Package Includes:

01. 1.5V battery compartment
02. Switch
03. Spring connector
04. circuit board base
05. Storage box
06. Transmission (motor)
07. Screw
08. Circulation pipeline
09. Screw hinge
10. Thread lock
11. Screw seat
12. High water container
13. Height under the water container leaves
14. Gear (large \ screw)
15. Gear (small \ motor)
16. Connect the connector
17. Round gear lock (lock gear)
18. bracket (circuit board is fixed on the storage box)
19. Stand (support circuit board and ground)
20. Connection Bridge (for combination)

Experimental principle:


Gear rotation
Liquid surface tension
Bucket car principle
Electricity
Gear and gearbox