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WARNING:
CHOKING HAZARD -- Small parts. Not for children under 3 yrs. |
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Product Details
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Product Description
Color and style may vary. Requires vinegar and baking soda (not included). Age 14+
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Most Helpful Customer Reviews
6 of 7 people found the following review helpful:
1.0 out of 5 stars
Defective right out of the box. Problematic design.,
By J Sebastian (CA) - See all my reviews
= Durability:1.0 out of 5 stars = Fun:1.0 out of 5 stars = Educational:1.0 out of 5 stars
This review is from: Toysmith Cosmic Rocket Kit (Toy)
This thing hasn't worked once. It leaks pressure from the "O-ring". Bear in mind this was fresh out of the box too. For the adults out there, a leak in an O-ring caused the explosion of the Space Shuttle Challenger.
In this toy, a leaky seal won't cause an explosion, but instead it will prevent one - and your launch as well: the pressure can't build up enough in order to achieve a launch. I don't know whether this is a manufacturing defect or not, but my guess is that these typically cheap (Made in China) plastic toys are fabricated to a very low standard of quality, and these standards do not easily lend themselves to achieving the kind of precision required in order to create an airtight seal capable of sustaining high pressures. I'd guess that even a perfect specimen would be pretty low quality. Another possible culprit seems to be the inadequate composition of the O-ring material; it is a soft gray rubber. When tightened the ring compresses to much to the point that it deforms and is literally squeezed out of its groove. I'd skip this toy with its poor quality and/or design, and the potential disappointment of having it not work at all, even once, and instead go for one of the old-fashioned water rockets. They operate on water and compressed air and requires no mixing. I had many a water rocket as a kid and they provided hours of summertime entertainment. And you can even have fun building your own water rocket using an empty two liter bottle and parts available at any home improvement store. There are lots of sites with instructions and various designs. A water rocket itself is just a two-liter bottle with fins on the bottom to stabilize it in flight. The nice thing about using a plain old soda bottle is that they are designed to hold pressure with no o-ring needed, since they have to keep a drink carbonated from production through shipping and until you have finished the bottle. If you get really into building water rockets, there is a sizeable water rocket enthusiast community and a lot of products and kits sold to help you enjoy this as a hobby. I think most kids would learn more about something from building a rocket themselves from inexpensive parts than just mixing baking soda and vinegar. Granted, it does illustrate the concept of gas expansion well, but you don't need a rocket to do that.
5 of 7 people found the following review helpful:
4.0 out of 5 stars
good toy with a few modifications,
= Durability:3.0 out of 5 stars = Fun:5.0 out of 5 stars = Educational:5.0 out of 5 stars
This review is from: Toysmith Cosmic Rocket Kit (Toy)
My son 3 yo recieved this rocket for christmas two years ago. We love it. We shot it off a whole bunch of times. It takes a while to figure out jsut the right combination of baking soda and vinegar. We started using vaseline on the base to make the rocket hold a tight gripe, yet slide of easy for the launch. Sometimes we would have to shake it to get the BS to mix with the vinegar enough to build up the gas pressure required to launch. If you do that make sure to look the other way because you will get sprayed by the liquid. We did break ours a few months ago, but that is because we launched it and it hit the pavement and cracked the nose. but it is over a year old.
3 of 5 people found the following review helpful:
3.0 out of 5 stars
Cosmic Flop,
= Durability:3.0 out of 5 stars = Fun:3.0 out of 5 stars = Educational:2.0 out of 5 stars
Amazon Verified Purchase(What's this?)
This review is from: Toysmith Cosmic Rocket Kit (Toy)
We tried this 7 times and it only launched once. It was exciting to see it when it happened, but the other failed attempts made a huge mess.
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