How to make a plyometric box

Ingredients and tools:

  • Chipboard (particle board) or plywood, size depends on what you want
  • Screws and glue for wood
  • A drill with a small wood driver (optional)
  • Electrical tape and some foam in a roll (optional)

Time and cost:

wood – 8 pounds, screws and glue – 2 pounds, tape and foam – 1 pound. This one is a little over 10 pounds in total. Time: an hour.

 Steps:

  1. This has to be one of the simplest pieces of equipment you can build yourself. I didn’t make a “pyramid” box simply because by making it this way you get a 3 in 1 box. Flip it the way you like and there it is. I decided to build a 50-65-75 cm box. To build it, use at least 18mm thick wood (thick chipboard in this case). Let’s say the sizes of your box are A,B,C (A being the largest, C smallest) and the thickness of wood is W. The dimensions of the pieces you should cut are:
    • 2 pieces of A x B – in my case 75 x 65
    • 2 pieces of A x (C-2W) – in my case 75 x 46.4
    • 2 pieces of (B-2W) x (C-2W) – in my case 61.4 x 46.4
  2. When the pieces are cut (or bought in the exact dimensions you need), you can start building from bottom up. Start with the largest piece. This is your base. About a cm away from the edge start putting in screws. Note: the length of the screws you buy should optimally be 3 times the width of the boards – so for an 18mm board, you get 54mm screws. Putting the screws in can be made easier if you make small holes with a wood driver first. Don’t make the holes too large! You can see the image and get a feeling for it. The screws can be some 5-8 cm apart.
  3. Once you have the screws in at least half way, you need someone to assist you (well, you could do it alone, but it would take a lot of time). Place the board in such a way that you can attach the side boards – either sideways or from the top. Start screwing the side walls in. You can add some glue in all the places where the wood connects for a slightly stronger box. Once the side walls are done, you should also connect them (mutually) with some screws. In the end, put the top on and screw it in. Try your box now – it should be very sturdy. If you feel unsafe about it, add more screws in it. The chipboard surely won’t break, the only thing that could are bad connections.
  4. In the end, you will use this box for jumping or similar exercises. As you know, if you hit a sharp wooden edge with your leg, it hurts. A lot. You can get serious injuries from failed attempts at high jumps. Here is an image I ran into on a crossfit forum from a guy who had this mishap (I hope he doesn’t mind I put it here). Secure the edges of your box with something – I suggest some foam in a roll and/or some electrical tape. A little protection is much better than no protection at all. That’s it, jump away!

You can get a PDF of this manual here: How to make a plyometric box

This entry was posted in Crossfit, Do It Yourself and tagged , , , , , , , . Bookmark the permalink.

4 Responses to How to make a plyometric box

  1. Nice tutorial. Stop by and say hi 🙂

  2. Useful information. Fortunate me I discovered your website unintentionally, and I’m shocked why this coincidence didn’t happened in advance! I bookmarked it.

  3. I just stopped by to check out this website. It looks really
    cool and I enjoyed viewing it, thank you for the good post!

  4. swfaqwf says:

    You should not use particle board for these type of boxes. it is a few dollars cheaper, but has almost no rigidity. use PLYWOOD instead.

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