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🚀 Elevate your STEM game with every launch — don’t just watch the sky, own it!
The Relationshipware StratoLauncher IV Deluxe is a premium metal water rocket launcher designed for adults and STEM enthusiasts. Featuring a 125 PSI safety valve, precision tilting ball head, and aerodynamic StratoFins, it can launch 2-liter soda bottles over 350 feet. The kit is easy to assemble, supports multiple bottle sizes, and is fully upgradeable for advanced experiments and educational fun.





| ASIN | B071233ZB8 |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | 141,228 in Toys & Games ( See Top 100 in Toys & Games ) 204 in Water Pistols |
| Brand | Relationshipware |
| Brand Name | Relationshipware |
| Customer Reviews | 4.5 out of 5 stars 113 Reviews |
| Educational Objective | STEM |
| Included Components | Rocket Launcher |
| Is Assembly Required | Yes |
| Item Dimensions | 20.3 x 17.8 x 30.5 centimetres |
| Item Weight | 1.25 kg |
| Item dimensions L x W x H | 20.3 x 17.8 x 30.5 centimetres |
| Item weight | 1.25 kg |
| Manufacturer | Relationshipware |
| Manufacturer Part Number | LCR-6 |
| Manufacturer recommended age | 14 years and up |
| Material Type | aluminum, stainless steel, brass, ABS plastic |
| Number of Items | 1 |
| Number of Packs | 1 |
| Set Name | StratoLauncher IV Deluxe |
| Size | Large |
| Theme | Vehicle |
| UPC | 700220319073 |
| Unit Count | 1.0 count |
M**Y
Unfortunately a very cool product has been let down by cheap plastic parts.
Unfortunately a very cool product has been let down by cheap plastic parts. Sadly after not many uses the joints of the fins have all snapped and rendered an otherwise really good product, completely useless.
B**H
Water Bottle Rocket
Works great but material could be a bit tougher as one fin broke off after about the 15 run.......
A**B
Our grandkids love doing water rockets!
Would you like to be an even more loved and adored grandma/grandpa? If you’d like to have fun with the children in your life, or your own inner child 🥳 order this high quality, durable, easy to use, well priced, engaging rocket launcher today. Grab a bottle of soda (best to pour it out to protect your health), gather your people, and head to a park. You’ll be entertained for hours and you might even make new friends who want in on the fun. This is so engaging! More water? Less water? No water? You could have fun for 20-30 minutes, or you could pack a picnic, grab lawn chairs, sun screen and people you love, and head out for a fun day out. We were introduced to this rocket launcher during a Memorial Day weekend when we camped with about 70 friends. One of the dads started launching rockets and he attracted and engaged about twenty children who all got involved in some way or another. Running after the bottle, climbing up a tree to retrieve it, wading out into the river when it was taken away by the wind…. Many adults were entertained by pulling up lawn chairs and watching the fun. Cheering, clapping, speculating, anticipating, trouble shooting… this rocket launcher is worth every penny for the amount of entertainment it provides to young to old participants and observers.
D**E
Possibly the worlds best Water Rocket
I will start my review with Wow Wow Wow....what an awesome product. This seller makes a top quality product, it goes way beyond a toy, it is a precision machined work of art and it launchers a water rocket like it was a fire work. The kids just love it! In my opinion this is the best water rocket launcher in the World and I am delighted I found it on Amazon and I feel privileged to own one.
M**L
Who knew water bottles could be this cool?
The launcher allows you to build and enjoy a relatively safe yet awesome rocket experience. The instructions are a little difficult to follow, but the videos are great. It took about 30 - 45 minutes to assemble the launcher and prepare the soda bottles, and tie up the optional parachute. My first trial sent the rocket a little over 70’ (give or take) and that was only at 1/3 the max pressure (125 psi)! That was A LOT higher than I was expecting, so be careful of your surroundings, mindful of the wind speed and direction at height, and make sure you have a large enough recovery area (empty baseball field or park would be ideal). The parachute assembly deployed properly and brought everything easily back to the ground without damage. Watch out for trees if the wind is blowing. I can’t wait to get out again with my grandson and see how high we can go.
A**X
Perfect for Science Olympiad
The assembly was pretty straightforward, it works well. I bought this for Science Olympiad, and it does the job launching the rocket even with the use of the air alone.
Trustpilot
2 months ago
1 month ago