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4M 4605 Water Rocket Kit - DIY Science Space Stem Toys Gift for Kids & Teens, Boys & Girls
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- The 4M Water Rocket Kit uses the power of water pressure to blast its rocket up to 90 feet in the air
- The kit contains all the parts required to transform a recycled soda bottle into a functioning water rocket
- This kit is ideal for young science enthusiasts, especially those interested in rocketry and space flight
- Detailed instructions for use and care are included; Adult supervision recommended
- This kit requires the use of a bicycle pump (not included)
- Challenge your child's imagination with 4M toys and kits
- 4M educational toys cover a wide range of educational subjects and include science kits, arts and crafts kits, robotics kits, and more
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From the manufacturer
Full STE4M ahead!
4M has encouraged curious young minds for more than 25 years as a leader in innovative and educational products. As STEM and STEAM concepts are increasingly recognized around the world as essential tools for integrated learning development, 4M toys continue to set trends, bringing new concepts and technologies to the global market. 4M is Imaginative, Creative, Inspiring and most importantly, Fun!
Build and Launch a Water Rocket
Build and Launch a Rocket
Build your own rocket using just a bottle, water and a pump. Watch the rocket soar as high as 90 feet into the air as you pump air into it! Powered by water and air pressure. Construct and then see how your rocket flies as you pump gas into it. Science in action.
Fun Science & Learning
The 4M Water Rocket Kit is perfect for the budding mechanic or the science enthusiast. Everything is included that you need to construct your very own water rocket while learning about the technology.
Everything to Build Your Rocket
4M Water Rocket Kit contains 1 plastic bottle, 4 fins (One for spare), 1 fin support, 1 bung, 1 bung connector, 1 pump connector, 1 extension plastic pipe and detailed instruction.
Does not include pump.
Blast off into the heavens with the 4M Water Rocket Kit. The 4M Water Rocket Kit uses the power of water pressure to blast its rocket up to 90 feet in the air. The kit contains all the parts required to transform a recycled soda bottle into a functioning water rocket. This kit is ideal for young science enthusiasts, especially those interested in rocketry and space flight. Detailed instructions for use and care are included. Adult supervision recommended. This kit requires the use of a bicycle pump (not included).
From the Manufacturer
Construct a rocket that blasts over 30 feet with our 4M Water Rocket Kit. Powered by water and air pressure. Pump and instructions are included. Science in action.
Choking - Small Parts
Top reviews from the United States
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It comes with the bottle, screw for the bottle, the fins, 2 adapters for the bike pump, the tubing, and the plug for the bottle. After a quick setup and a little water, we were good to go. You just put a little water in the bottle, plug the end, then pump the bicycle pump about 3-5 times. We used a pump that you can put both feet on while you are pumping. The launch requires 30-40psi depending on how much water you put in it. Once you get the right pressure, it launches and uses the water as its propulsion. Just like the box says, it does launch about 30 meters high (90+ feet).
The instructions also included a couple paragraphs explaining the science behind the kit (action v reaction). I thought this was pretty neat. It never hurts to learn something while having fun.
We had asphalt and concrete nearby so the bottle and fins did get scratched when they landed on either one of those. Otherwise, I think you can get hours and hours of fun from just the one bottle without it wearing out. We will probably be testing out some different bottles to see if there is much of a difference in the launch or flight. I'm also thinking the bottle needs some tape for weight at the top so the fins don't hit the ground first.
I was worried it would use a bunch of water and the fun wouldn't last long. However, we filled up a gallon jug and that was good for about a dozen launches or more.
Overall, I would highly recommend this product. Yes, you can probably make it yourself, but for a ready-made kit, this is well worth the cost. The kit is meant for kids 8+, but it is definitely a fun thing for younger than that if there is proper supervision. Unfortunately, my 3 year old could only pump a few times before the pressure was too high, but I don't see older kids having any trouble with it.
1) We can consistently launch this rocket about 4 stories high. It makes a great rocket sound and takes off like, well, a rocket. It's a blast, a huge performer. You know how you worry that things won't be as cool in practice as advertized? This is way cooler! Very exciting every time.
2) Scientific method. We've been forming hypothesizes about whether more or less water would make it go higher and then discussing how to measure and what environmental factors (wind) might impact the results. Got the brain working while we're having fun.
3) I can't imagine a toy being better at helping to make new friends. Every time we launch it up at our play ground, all of the kids and some of the parents get involved, ask questions, want to have a turn. We form launch teams, recovery teams, fueling teams, etc. Our boy has met some kids this way who are in his Kindergarten class that starts this week. He'll start school with a few friends in his class because of this toy. Can't really ask for more than that in a toy!
Now a few tweaks and warnings:
I am a road cyclist. Road bikes have smaller valve stems than regular bikes and things like wheelbarrows and cars. So, I happen to have pumps for both standards, but assumed that this was designed for the standard bike pump valve. The valve that comes with the rocket is too small to get a seal with the standard pump, but we get a better one with my road bike pump (Presta valve). The rocket launches by building up pressure from the pump and the water, so this is pretty important.
With the presta pump, some air still leaks out. I have one kid hold the joint when we launch, but we still loose a little air that way. It's working for us, but this could be better implemented. I may work to modify ours at some point. I'm sure even with a standard pump, you could get this to work, but it might take some tweaking.
All in all and amazing fun, safe and sneakly educational toy that has brought kids together and formed new friendships...all for $20. Can't beat it.
Top reviews from other countries
I didn't realize this kit came with its own bottle. We had several others to try as well, but you don't need your own, which is a nice change from other kids that make you supply your own bottle. It's compatible with soda bottles but not most water bottles.
You do need your own pump. Any ordinary bike pump should do. Dollar store pumps might not provide enough pressure, so be sure the pump is for bike tires and not for inflating beach balls and the like.
The rocket will travel so you do need a big empty space around you. I recommend at least 50' radius, all-around, preferably more. The thing probably shoots 50' in the air.
As it's not likely you have enough in your backyard, the only problem is carrying enough water to shoot it off. We took about 10L / 2.5 gal in a wagon, lasted around an hour or so.
I don't remember which combinations of bottle size and water fill shot highest, you'll have to experiment for yourself.