The Shortie Boom Board

The All-in-One Mahjong Practice System

Why practice just one part of your game when you can practice the whole thing?

Meet the Shortie Boom Board — an all-in-one, modular Mahjong practice system designed for shorter, chunkier Mahjong tiles.

Building on the functionality of our Charleston and Solo Boards, the Boom Board brings multiple ways to practice together in one system. Run through the Charleston, work the card, practice building hands, simulate gameplay, mock a two-player game, or even manage two hands at once.

One system. So many ways to play.

Two Boards. One Mega Practice System.

The Shortie Boom Board includes two individual practice boards that magnetically connect, allowing you to use them together as one larger practice station or separately depending on how you want to play.

Each board features 24 recessed, slanted tile slots and an integrated dual-slope Mahjong rack, keeping your practice tiles and working hand together in one compact setup.

Use your Boom Board to:

• 💥 Practice the Charleston — Follow the integrated R-O-L / L-O-R guides and pass markers to work through your Charleston.
• 🀄 Practice building hands — Pick a hand from the card and work through draws, discards and decision-making at your own pace.
• 🎯 Practice solo — Create mock draws and discards while keeping your working hand organized on the integrated rack.
• 👯 Mock two-player Mahjong — Use the two-board system to represent two players and practice the flow and strategy of a head-to-head game.
• 👐 Practice two-handed Mahjong — Manage two hands yourself for an entirely different way to sharpen your game.
• 🧠 Experiment with strategy — Test different passes, hands and decisions without needing a full table.
• 🧲 Go modular — Connect the two boards for the full Boom Board experience or separate them when you need a smaller setup.

Built-In Dual-Slope Rack

No separate rack required.

Each half of the Boom Board includes an integrated rack featuring two sloped tile-resting areas, giving you flexibility in how you organize your hand during practice. During mock gameplay, players may also choose to use the additional slope to organize exposed tiles.

The recessed practice slots feature our signature slanted design, making tiles easier to lift and remove as you work through your practice session.

📏 Shortie Boom Board Dimensions

Designed for shorter, chunkier Mahjong tiles.

Connected: approx. 14" × 8.7" × 1.2"
Each individual board: approx. 7" × 8.7" × 1.2"
Practice slots: approx. 1.025" × 1.275"
Integrated rack: approx. 7" × 2.45" × 1.2"

Please measure your tiles before ordering. Tile sizes vary significantly between brands, and compatibility is determined by the dimensions of your individual tiles rather than the brand or set name.

Make It Yours

Choose your favorite color combination and make your Boom Board as bold—or as classic—as your game.

Each Boom Board is made to order using 3D-printed PLA and includes two magnetically connecting practice board/rack pieces.

Designed for Practice — Not a Rulebook

The Boom Board is an independently designed practice and training aid intended to provide multiple ways to simulate and explore American Mahjong gameplay. Suggested practice configurations are examples only and are not intended to establish, replace or modify the official rules or methods of any Mahjong organization, league or style of play.

Players can configure and use their Boom Board in whatever way best supports their own practice.

Practice it. Play it. Build it. BOOM. 💥