Salt Water Fuel Cell Spider Age 8+
- Salt Water Fuel Cell Spider is a wonderful plastic spider that is powered by just ordinary salt water. Fill it up and watch its eight legs come to life before your eyes!
- Learn about renewable energy: Let your child become the engineer and design his or her own product powered by nothing but ordinary salt water with this educational toy. This spider inspires your child to learn more about the nature of the battery and how to make one.
- No batteries required: The magnesium metal sheet inside the spider is a consumable item, one sheet can have the car run for about 4 hrs continuously. The kit included 3 refills.
- Box Dimension: 8.5 x 7 x 2 in
Customer Reviews
My 8 and 6 year old boys searched for and purchased this arm with their own money. They were able to put everything together with just a little help from Dad. Such a great toy and really illustrates the power of hydraulic action. Just ordered a couple of replacement cylinders with no issue from Unicorn Toys, great customer service there. Thank you!
We are happy to be helpful :D
The crane arm which opens and closes it is not strong enough, but everything else is ok!
We genuienly agree with you but after all this is a 'toy' and it's powered by 'water' .. if it's electric powered then we might be able to make the grip stronger.
I bought this for my nephew as an alternative to Lego and even he said I should have just bought Lego. The solar panel does not work despite leaving it to soak up sunlight for a day and we also tried the light type in the manual. The hydraulic would not hold water and when we put the entire thing together it did not work. Very disappointed is an understatement. I am sorry I purchased this.
You are basically accusing us are selling stuff that doesnt work. Have you ever considered it's a robotic kits with many parts and you need to assemble this kit properly? We pride ourself with the quality and customer service, if you reach out we would help trouble shoot and also replace parts where necessary but we have never received any communications from you and you just left us with this harsh review.. well.. maybe this is really not for you.
This toy was a perfect step up from the typical robotics found in toy stores. Fully building the gear boxes and integrating the motor controls added more interest and complexity. The pieces fit together well and the arm fully works! This was independently completed by my 9 year old. I would recommend this for kids that have out grown the more generic kits 😁
we are happy that you are happy :D
Says for age 10 years old plus no way could my 11 year old could build this after hours of assembly it didn’t work as described it would open and turn one way but would not close or go back the other way even as a adult I don’t understand how does one motor go forwards and revers without a switch or turning the batteries around can you please explain ? There’s no gear box to allow this either now I have a 11 year old in tears as it was a Christmas gift and now in the bin not impressed at all don’t waste your money or time on this
Frequently Asked Questions
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All items will be shipped directly from our warehouse, which is located in Mississauga, Ontario, Canada.
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You can submit your replacement parts request here
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Our return policy provides customers with 45 days to return an item in its original packaging and condition, along with a receipt. Items that do not meet these requirements will be refused. Customers are responsible for the return shipping costs, except in cases of manufacturer defect.
Read more about our return policy here
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We only ship with tracking option to help you prevent package loss.
Order processing time: 1- 2 days.
For order above C$50:
Place Est. Time Cost Greater Toronto Area 1-3 days Free Ontario 2-4 days Free Within Canada 4-10 days Free US 6-14 days C$12 fee for order less than C$60. Free otherwise.
For order under C$50: Flat shipping fee C$8
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