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🧩 Build Bold. Shoot Sharp. Collect Proud.
The Mould King Gun Building Blocks Set features 563 high-quality ABS pieces to assemble a 1:1 scale Desert Eagle model with a functional rubber band shooting mechanism. Designed for adults and teens, this collectible combines precision engineering with safe, eco-friendly materials, making it a standout gift for military enthusiasts and STEM hobbyists alike.





| ASIN | B0CZHYQGJT |
| Additional Features | Portable |
| Best Sellers Rank | #160,891 in Toys & Games ( See Top 100 in Toys & Games ) #5,308 in Toy Building Sets |
| Brand Name | Mould King |
| Customer Reviews | 3.7 3.7 out of 5 stars (78) |
| Educational Objective | Hand-Eye Coordination, STEM |
| Included Components | Instruction Manual |
| Is Assembly Required | Yes |
| Item Dimensions | 10.43 x 6.7 x 1.77 inches |
| Item Type Name | Building Blocks Toy |
| Manufacturer | MOULD KING |
| Manufacturer Maximum Age (MONTHS) | 1000 |
| Manufacturer Minimum Age (MONTHS) | 168.00 |
| Manufacturer Part Number | XY |
| Material Type | Plastic |
| Model Name | wx |
| Model Number | 14004 |
| Model Year | 2025 |
| Number of Pieces | 1 |
| Number of Players | 1 |
| Operation Mode | manual |
| Power Source | Manual |
| Size | Medium |
| Theme | Military |
| Toy Building Block Type | Interlocking Toy Building Block |
| UPC | 705736233097 |
I**.
Great Customer Service
When one elastic (rubber band) broke, i contacted Mould King directly and they told me to go through Amazon (where I bought it from, obviously) to save me shipping costs. I did and they gave me about ten elastics. Thank you, Mould King!!!!
M**.
Fun Build
This is a really fun build because when you're done you have a little rubber band toy. The instructions for building the model are really good and easy to follow. The bricks are well made with good colors and they stick together easily while also staying together unless you want to pull them apart. It's a fun model and at just 563 pieces this is an easy build that's also a lot of fun.
M**R
Great but…..not lasting
This was easy putting together but unfortunately the mechanism that makes it shoot keeps having issues. My child has become so frustrated he doesn’t use it now. Now he has it displayed in his room but can’t use it.
S**N
Doesn’t Shoot
Instructions were weird at one point, wrong about how to assemble it. Gun didn’t shoot so we took it apart and rebuilt is several times and it still didn’t work. Wouldn’t recommend.
B**N
It could be better
I've been looking at this gun for a while, and finally decided that I would go ahead and buy it. I've had it for a few days now, and wanted to state some small issues that I had that could possibly be big issues for you. The instructions are great! Easy to follow and they specify what size rubber band to use in each step. But... if you've ever had a Lego set, you know that Lego numbers their bags so that it's easy to build (as for instance, steps 1-27 are bag 1, 28-43 are bag 2, etc.). But this set is not like that. I ended up opening 8 large bags of tiny pins and beams and quickly ran out of room on the table I was using to build. So just keep in mind that you WILL need a large space to build. As said above, instructions are great and once I got the no-room situation figured out, I was able to build. Just so you know, when making the shooting mechanism, it seemed as if they hired a pro knot-maker to make the knot that holds the string to the back of the gun. I ended using an old Lego builders trick where you put the string into the cut out of a pin, and pinch it with another technic piece to hold it in place. This is also better because you don't have to untie your knot, adjust the striker, and then tie the knot back. Just take off the piece pinching the string, adjust it, and put it back. Simple. Easy. Awesome. Here's an issue you can't really blame the company for since they don't make it, but the rubber bands are HORRIBLE!!! They snap under little pressure and the main band broke after six shots of the gun. I ordered some more rubber bands off of Amazon that are much more durable. They work way better (this is them: boolavard 200 pcs 1.5" 38mm) mind you, this is only for the shooting mechanism, not the trigger, or the mag lock. Besides all of this, I like this gun alot. The sight on top works great and is super accurate, and the the slide and mag are cool too. I like guns 🙂↕️🤌
D**E
Missing piece
This is really cool and glides nicely but my son showed me the piece he couldn’t find to make it fully functional so it was disappointing
C**H
Fine
Fine
A**Y
Was a bit hard
Was a bit hard
J**R
This was a gift for an adult male. He loved it. Said it was a fun build and great quality.
S**Y
The instructions on how to build the firing mechanism are incomplete and not easy to understand/ follow, I ended up building the gun without the firing or loading mechanism working….
L**N
My son received this as a christmas present. He put it together easily!
S**S
Beware instructions are not clear on crucial details. Youtube helped to figure out the firing mechanism only it was an older version? with instructions 77 and 78 reversed. Still very hard to figure out where exactly to loop the string through. It took us 8 hours to build with having to take apart / re-assemble the firing/loading mechanism many times, but we finally got it to shoot (without jamming or coming apart) Other problems are the magazine, not a sturdy build, hard to put together and prone to launch out all the bullets while trying to fill the magazine. (Also the elastic string broke, had a defect weak point, but we found an alternative) Loading a bullet in the chamber is very finicky, things are prone to come apart while pulling the slide back. I don't think it will have much longevity but it's still nice as a display model.
N**T
Ce n’es pas la qualité lego mais très bien . Les pièces s’emboîtent très bien et solide par la suite
Trustpilot
1 month ago
2 weeks ago