I bought this kit and I found little particles of water inside the fuel cell as if it had been used before, is it normal?

Hi Sebastian,All of our products are brand new. Please test and check if the fuel cell is working properly. Else, please contact Customer Service to start the RMA process.

What are the specs on the tubbing?

silicon tubing, 2mm inner, 4mm outer diameter

A PEM cell, tubing (~2 ft), 1 dc motor, a battery case with switch, a solar cell, 2 reservoirs for the O2 and the H2, 2 stands, wires a CD with instructions. very straight forward to follow.

If the fuel cell generates water as subproduct, How does water have to be removed from fuel cell for avoiding damage?

I haven't used mine in a while but I'm pretty sure it is a closed system. There is water at the beginning that is split into H and O with electrolysis and then that same H and O are combined back into water with the fuel cell. the first step requires electricity (solar panel) and the 2nd step makes electricity. Mine came with a small motor that ran in step 2. you don't have to remove excess water or add more water as this is all happening. it's a closed system.

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☀️ Fuel curiosity, power the future with clean energy innovation!

COMPLETE DIY KIT - Includes fuel cell, electric motor, propeller, and step-by-step manual for immersive hands-on assembly.
ECO FRIENDLY INNOVATION - Promotes sustainable energy education with zero emissions and plastic components built to last.
STEM LEARNING MEETS FUN - Engage with cutting-edge science through interactive experiments designed for future innovators.
HARNESS THE SUNS POWER - Transform sunlight into clean, renewable hydrogen energy—no batteries needed.
PERFECT FOR YOUNG SCIENTISTS - Ideal for ages 12-15, inspiring the next generation of renewable energy leaders.

The Horizon Fuel Cell Technologies Solar Hydrogen Education Kit empowers young learners (ages 12-15) to explore renewable energy by generating hydrogen fuel using only solar power and water. This hands-on kit includes a fuel cell, electric motor, propeller blade, and detailed assembly guide, offering an engaging STEM experience without batteries or emissions.

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Product Dimensions	21.01 x 15.01 x 10.01 cm; 580 g
Manufacturer recommended age	12 - 15 years
Item model number	FCJJ-16
Educational Objective(s)	science
Language:	English
Assembly Required	Yes
Batteries Required?	No
Batteries included?	No
Material Type(s)	Plastic
Remote Control Included?	No
ASIN	B00202CUZ4

Horizon Fuel Cell Technologies Solar Hydrogen Education Kit

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