Lego Catipult
![IMG_20190909_201207.jpg](/proxy/?url=https://content.instructables.com/FF9/13JC/K0COXSNH/FF913JCK0COXSNH.jpg&filename=IMG_20190909_201207.jpg)
These are the supplies that you will need for this build.
Supplies
5 4x2 bricks
1 trailer piece
3 3x2 bricks
10 2x2 bricks
2 Technic joints
1 4x2 with pins on the sides
Start Building Your Base
![IMG_20190909_201230.jpg](/proxy/?url=https://content.instructables.com/FTC/RW8M/K0COYIX3/FTCRW8MK0COYIX3.jpg&filename=IMG_20190909_201230.jpg)
Take 4 2x2s and stack them as shown.
Building Base
![IMG_20190909_201243.jpg](/proxy/?url=https://content.instructables.com/FVR/YI79/K0COYIXV/FVRYI79K0COYIXV.jpg&filename=IMG_20190909_201243.jpg)
Repeat step one on top of what you already have.
Attach Hinge 1
![IMG_20190909_201257.jpg](/proxy/?url=https://content.instructables.com/F0P/KC8J/K0COYIZ1/F0PKC8JK0COYIZ1.jpg&filename=IMG_20190909_201257.jpg)
Take one of the Technic hinges and put it on the top as shown.
Attach Hinge 2
![IMG_20190909_201313.jpg](/proxy/?url=https://content.instructables.com/F6E/PPFG/K0COYJ0T/F6EPPFGK0COYJ0T.jpg&filename=IMG_20190909_201313.jpg)
Repeat the previous step on pillar 2.
Attach Hinge Joiner
![IMG_20190909_201317.jpg](/proxy/?url=https://content.instructables.com/F7H/67CE/K0COYJ2K/F7H67CEK0COYJ2K.jpg&filename=IMG_20190909_201317.jpg)
Take the 2x4 with pins and place it in as shown.
Build Attaching Segment
![IMG_20190909_201330.jpg](/proxy/?url=https://content.instructables.com/FAJ/5YF5/K0COYJ7N/FAJ5YF5K0COYJ7N.jpg&filename=IMG_20190909_201330.jpg)
Take 2 2x4s and place them on top of the hinge bar.
Build Projectile Holder
![IMG_20190909_201407.jpg](/proxy/?url=https://content.instructables.com/FSD/ANY9/K0COYJC8/FSDANY9K0COYJC8.jpg&filename=IMG_20190909_201407.jpg)
Set aside what you just built and get your trailer piece out.
Build Projectile Holder
![IMG_20190909_201455.jpg](/proxy/?url=https://content.instructables.com/FBV/WGW4/K0COYJGJ/FBVWGW4K0COYJGJ.jpg&filename=IMG_20190909_201455.jpg)
Take some of the remaining pieces that you have and make a holder. My design is above.
Combine the Two
![IMG_20190909_201549.jpg](/proxy/?url=https://content.instructables.com/FJE/WMEA/K0COYJNO/FJEWMEAK0COYJNO.jpg&filename=IMG_20190909_201549.jpg)
Combine the two parts like so.
Finish!
![IMG_20190909_201607.jpg](/proxy/?url=https://content.instructables.com/F9P/UPWR/K0COYJTK/F9PUPWRK0COYJTK.jpg&filename=IMG_20190909_201607.jpg)
You are now finished with this build!