Probably the most annoying part of designing a board game is keeping in mind that all your components will eventually need to fit inside a box. And simply making your box ridiculously huge is not a good option. That will increase your shipping and storage costs. So for your box size here are a few things to consider:
Remember, if your box is listed as 300x300mm, that’s the top cover. The cover slides over the bottom, thus the bottom is smaller than the listed dimensions. All your components need to fit into this smaller half of the box.
If your outer lid is 300x300, then your inner lid is 294x294mm. This 6mm difference derives from the thickness of of the outer lid (2mm) and the necessary gap (1mm) between the box bottom. This gap provides the wiggle room necessary to actually shove down the lid. If there was no gap, the lid and bottom would be skintight, making shoving the lid down extremely difficult.
In this scenario, you would have 290x290mm available space within the box. So your insert tray would be 290x290mm.
My manufacturer recommends that any boards be 14mm less than you box dimensions. So your biggest board could be 286x286mm. This is to make sure there is enough wiggle room to actually remove the boards from the box. If the boards were flush with the box, you wouldn't be able to grip them. This extra 4mm of space allows you to pry out the board using your finger tip.
When it comes to the box height, the box lid and bottom cover are included in the height. So if the height is 80mm, you actually only have about 76mm of room.
Make sure to leave room for your punchboards. Even though the consumers will punch-out the pieces and throw away the frame, the frame still needs to fit within your box during shipping. Unless you’re paying extra for the manufacturer to pre-punch everything.
Also consider if your boards are resting on top of the plastic insert or within the confines of the insert. If you want your boards within the plastic insert, they must be shorter than the walls of the insert.
United States Postal Service
Many designers try to fit their game within a USPS Medium Flat Rate 2 shipping box. This makes shipping slightly easier if you’re shipping by hand. The interior dimensions (what actually fits inside) of that box are: 13 5/8 x 11 7/8 x 3 3/8 inches.
Fulfillment by Amazon
If you’re selling on Amazon, you’ll want to keep their dimension parameters in mind. Amazon organizes products by size tiers. When charging shipping and storage fees, Amazon will go by these tiers.
Amazon has two overall categories: Standard and Oversize. Board games are nowhere close to oversized products, so we can ignore that.
Amazon further splits Standard products into two categories: Small or Large.
Small Standard Large Standard
Longest side: 15in 18 in
Median side: 12 in 14 in
Shortest side: .75 in 8 in
Max weight: 12 oz 20 lbs
Small Standard is basically what fits inside a padded envelope. Most games will apply to Large Standard. Be sure to keep your dimensions within those parameters. If you go over, you will be classified as oversized. Super expensive.
Keep in mind that Amazon adds 4 oz worth of shipping supplies (box, tape, bubble wrap) to every Standard-size order. For products over 1lb, their shipping weight is rounded up to the nearest pound. So be careful if those 4oz worth of packing material pushes you over the edge.
Amazon assigns two weights to every product: the actual weight and the dimensional weight. They will use whichever weight is higher to calculate shipping costs. The dimensional weight only applies to products over 1lb.
Dimensional Weight = (Length x Width x Height)/139.
Your product’s weight will directly affect the shipping fulfillment fee, but not storage fees.
Your product’s dimensions will directly affect the storage fees. Bigger the box, the higher the fee.
Once you have your game manufactured, you‘ll need the manufacturer to ship you your game. They’ll load your game onto pallets, put those pallets in a shipping container, and that container will get shipped to you.
You’ll most likely send in your units to Amazon on pallets as well. The goal is to have the least amount of pallets possible, because that reduces shipping costs. So you want your game to fit onto these pallets in the most effective possible. You don’t want any wasted space.
Amazon only accepts pallets that are:
- 40 x 48in (which is a very common dimension)
- No taller than 72in (including the pallet which is 6 inches)
- Can’t weight more than 1500 lbs (including the pallet which is roughly 50 lbs)
- Must be a 4-way pallet (meaning a forklift can pick up pallet from any direction)
You can obviously do whatever size box you desire, just try to make sure you’re using all the shipping space available to you.
Now the math has already been done for you. Most games in the board game industry are 11.8 x 11.8 x 3.15 in (300 x 300 x 80mm). That’s pretty much the biggest, most ergonomic size you can make a standard board game. And here’s the math proving that:
You have your game box (11.8 x 11.8 x 3.15), which will need to be case-packed. Can't have your units just free flowing, they need to be in a sturdy, stackable carton. You'll do five units per case (you'll see why). The dimensions for five boxes are 11.8 x 11.8 x 15.75in.
You'll also need to account for the thickness of this cardboard carton. And account for the necessary wiggle room between your five units. If their skin-tight, you won't be able to slide them out of the case. There'd be nothing to grip, you'd have to tear apart the carton. You need some room to work with.
This would give you case dimensions of 13 x 13 x 17.5in. Which when stacked on a 40 x 48in pallet, fits rather nicely:
13 + 13 + 13 = 39in. Which is just under the 40in width limit.
17.5 + 17.5 + 13 = 48 in. Which exactly fits the 48in length limit.
And when stacking vertically:
6 + 13 + 13 + 13 + 13 + 13 + 13 = 71in. Which is just under the 72in height limit.
This will result in 200 units per pallet.
In the end, your game can be whatever size you want. Just keep in mind the pallet size and how many units per case.
But I was thinking, if we reverse engineer this, the most effective case size would be 16 x 13.2 x 13.2in. This would still allow for relatively large industry-sized games and could fit 225 per pallet. Main drawback is that your game box height wouldn't be 80mm, more like 72mm.