Picture of Catapult Battle Game
I have a few nieces and nephews coming around lately and they are always going into my scrap bin to build stuff and then knock it down over-and-over again. I decided to make them a small set of building blocks, complete with two battling catapults. It has 46 blocks in total, made from 3/4" maple stock. The catapults are made from Maple along with a stick of Cherry for their throwing arm.  The ball cup and throwing arm were made on the lathe, the rest was made on the table saw along with a miter sled.

Download the 3D model here
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Step 1: Tools and Materials

The tools and materials I used in this project are as follows:

  • Table-saw with a miter sled
  • Drill press
  • Midi-Lathe
  • Cordless drill and driver
  • Disk/Belt sander
  • Orbital sander
  • 3/4" drywall screws
  • Sandpaper
  • Wood
  • Wood glue
  • 2 small eye screws
  • Marbles or some type of ammo
  • 2 different color ribbons and 4 toothpics
  • spray adhesive

Step 2: Start the catapults

Picture of Start the catapults
I ripped some 3/4" Maple stock to 1" wide. Then switched over to the cross-cut blade and used the miter sled along with stop blocks to keep everything uniform and accurate.
The sides of the catapult are 8" long the front and back are around 4" long. So cut 4 pieces 4"X1" and 4 pieces 8"X1".
I also cut 2 crossbeams (Throwing arm stop blocks) at the same time.
After all the stock is cut sand each piece individually.

Step 3: Glue the Catapults

Picture of Glue the Catapults
We need to drill the hole for the arm pivot axle. This needs to be as accurate and uniform as possible so I clamped all four sides together and marked for the hole. I took that to the drill press and using a 3/16" brad point drilled through all four pieces at the same time. You might need to do two pieces at a time depending on your drill bit length.
Once the holes are drilled give the pieces another quick sanding. Next glue and clamp them together and let them sit to dry.
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can you show this in video?

pie2010201110 months ago
bobsley12311 months ago
Hey that's so cool!!! Does it hurt?
SlickSqueegie (author)  bobsley12311 months ago

I'm sure it could. You need a piece of cardboard behind the targets in case you miss. They leave dents in the drywall.

poofrabbit1 year ago
Hey congratulations on being a finalist in the weekend projects contest! These look fantastic!
SlickSqueegie (author)  poofrabbit1 year ago
Thank you! The children use this game ALL THE TIME!!!
SlickSqueegie (author) 1 year ago
Thank you. I would love to see what you make. :)
Awesome game! Looks like it can entertain kids for hours. :-)
BTW, I subscribed.
Thanks Chikpease, I'll return the follow ;)
and yes every time the kids come around I have it out for them. I must say though, that they find other ways of playing with it. They sit in chairs and set up cans for targets. And without telling them about the throwing arc, they figured it out all by themselves by placing some of the blocks under the front to increase the distance of the throw. That made me very proud of those little ones!
Thanks for the follow! Awesome to encourage kids to use their minds. :-)
branb1 year ago
When I come over can I see it!?
SlickSqueegie (author)  branb1 year ago
Hey Brandon. You can see it anytime ya want to buddy. Maybe you could play it with Lilly. :)
I just have to build this, this is game i want to play, real fun with real people and real damage:D hope i´m gonna aim well;)
SlickSqueegie (author)  Dreamchronic1 year ago
It really is a lot of fun! The kids like it too! :) Me and a buddy sit back drinkin beers and take turns shooting at targets to knock down!
blizatrex1 year ago
these would be excellent for office warfare with marshmallow ammunition.
SlickSqueegie (author)  blizatrex1 year ago
That sounds like a lot of office fun!
SlickSqueegie (author)  Wroger-Wroger1 year ago
Thanks. Just so ya know, at 10 feet with 2 rubber bands the marbles will dent the dry-wall. They are pretty powerful as they sit.. :)
(removed by author or community request)
Yes, they are long long gone unfortunately!
The wood costed+$4a hour + any bonus you want but how much is the wood and how many hour do they take to make
The price of the wood Plus £2.50/$3.84 for every hour of your time maybe a bit more seeing they are so good
$3.84? Why so cheap? That's not even minimum wage.
Its very sad have you considered making your canons to order. I think they would sell for good money and people seem to love looking at your comments
timsmith01 year ago
I'm no good with wood etc so I think I may have a go at modelling the catapult etc and 3D printing this.   I think you could probably print most of it in one go and remove the need for most of the screws. You could even use flexible PLA plastic as a replacement for the elastic/band item as it is quite stretchy and elastic. PLA will also allow for each catapult to be a different colour so you could have teams (Green & Red vs Yellow & Blue) or a large scale free for all (Green vs Red vs Yellow vs Blue vs Glow in the Dark Yellow lol). Who said new tech and old fun can't work together :-) I'll let you know how I go when the printer arrives in a couple of weeks. (I'll be using the Velleman K8200 3D Printer from Maplin's and probably modelling everything on 3DMAX / Maya or something like that)
SlickSqueegie (author)  timsmith01 year ago
These are some good ideas you have. I would love to see what you come up with.
I wanted to see a video of the catapult in motion
SlickSqueegie (author)  mauriciobridge1 year ago
there is a video up now
AirJordan1 year ago
SlickSqueegie (author)  AirJordan1 year ago
I think it was called "crossbows and catapults". Set used plastic pucks from plastic catapults, there was a crossbow that would slide them across the floor, and a dragon. there were other accessories as well.

the goal was to build a castle from plastic bricks and defend your flag. Knocking the opponents flag over was the end of the game.

a wooden set makes it better. Completely awesome and expandable :)
SlickSqueegie (author)  phugedaboudet1 year ago
Yep, I'm old enough to have gotten this for Christmas as a kid. I loved it and it is one of the reasons I made this! Thanks!
here it is.

your wooden set could use a thin plywood facade with a shelf in the back for a couple of "towers", or as seige engines :)
SlickSqueegie (author) 1 year ago
I agree! and is one of the reasons I made this one!
shazni1 year ago
I really must take you to task! .... My son is bugging me to make this ....this like sooo what boys want :-)
SlickSqueegie (author)  shazni1 year ago
You will not be disappointed! Don't be surprised if the girls love it too..
This is awesome! (LOVE that you used pipes in the video!)
SlickSqueegie (author)  careforapint1 year ago
Thank you. They really do love to play with it. And it is holding up well to their abuse. Even the neighbor kids got in on the action.
Super Neat!!
Super Cute!!
You are awesome :)
SlickSqueegie (author)  Tarun Upadhyaya1 year ago
you are way too kind! Thank you!
I really admire wood working (in this case it is yours) like anything. I can watch an artist like you shaping those wood for hours. In India, I visit Handicraft fairs only to see those tribal wood artists working. 
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