July 16, 2026 · The TileTally Team

Caring for an Antique or Bone Domino Set

Older domino sets are often built from very different materials than the injection-molded plastic sets sold today — bone backed with dark wood, carved ivory, dense ebony, or early Bakelite from the first half of the twentieth century. Each of those materials ages differently, and treating an antique set the way you'd treat a modern one is one of the fastest ways to damage it. Here's how to handle, clean, and store one properly.

Identify the material first

Before cleaning anything, it's worth working out roughly what you're holding:

Bone-and-wood sets are common from the 19th and early 20th centuries — a thin bone face pinned or glued onto a dark wood (often ebony) back. Look for a visible seam between a pale, slightly porous face and a darker wood backing along the tile's edge.
Ivory sets are rarer, heavier, and denser than bone, with a smoother, more uniform grain and no visible seam between face and back — the whole tile is one material.
Ebony or other dense hardwood sets are typically a uniform dark color throughout, sometimes with contrasting inlaid pips rather than painted or drilled dots.
Early Bakelite sets, generally from the 1920s-1950s, feel notably heavier and cooler to the touch than modern plastic, often with a faint camphor-like smell when rubbed, and can range from cream to butterscotch to near-black in color, sometimes with visible mottling.

If you're not sure and suspect the set might have real ivory content, it's worth researching your local regulations before selling, shipping, or transporting it across borders — ivory trade rules vary significantly by country and have tightened considerably in recent decades.

Cleaning: less is more

The single biggest risk to an antique set is over-cleaning. Bone and ivory are both porous to some degree and can absorb moisture, which leads to warping, cracking, or yellowing over time. A few rules of thumb:

Dry-clean first. A soft, dry microfiber cloth removes the vast majority of surface dust and grime without introducing any moisture at all. Try this before anything else.
If you must use moisture, use almost none. A cloth that's been barely dampened and then wrung out until it feels dry to the touch is about as far as most conservators recommend going on bone or ivory. Never submerge a bone-and-wood tile, since water can loosen the glue bond between the two materials.
Avoid solvents and commercial cleaners entirely. Alcohol, ammonia-based cleaners, and most all-purpose sprays can strip finish, dull the surface, or react badly with aged adhesives. If a set genuinely needs deep cleaning, that's a job for a specialist familiar with organic materials, not a household product.
Bakelite is comparatively hardier but can still discolor or develop surface crazing (fine cracks) if exposed to strong heat or direct sunlight for extended periods, so the same gentle, dry-first approach is still the safer default.

Storage matters as much as cleaning

How a set is stored between games does more to determine its long-term condition than almost anything else:

Stable humidity. Big swings in humidity are harder on bone and wood than any single humidity level, since repeated expansion and contraction is what causes warping and cracking over years. A consistent indoor environment, away from basements or attics with fluctuating conditions, is ideal.
Out of direct sunlight. UV exposure yellows bone and ivory and can fade painted or inlaid pips over time. A closed case or drawer beats an open display shelf in direct light.
A snug, padded case. Loose tiles rattling around in an oversized box wear down edges and corners over repeated handling. The original fitted box, if you still have it, is usually the best home; a felt-lined replacement case is a reasonable substitute.

Checking a set is complete

Before you do anything else with a newly acquired antique set — clean it, display it, or reach out to a specialist about it — it's worth confirming how many tiles you actually have. Older sets, especially ones that have changed hands a few times, are frequently missing one or two pieces without an obvious gap. Count what you have and compare it against the expected total for the set size with the Tile Inventory Tracker; a double-six set should hold 28 tiles, a double-nine 55, and so on.

When to bring in a specialist

If a set appears to be genuine ivory, shows significant cracking or separation between bone and wood backing, or simply seems old and well-made enough that you suspect real value, it's worth having it looked at by an antiques appraiser or conservator before attempting any cleaning beyond a dry cloth. A set that's survived a century in reasonable condition is worth a cautious approach rather than a well-meaning cleaning that does more harm than good.

Identify the material first

Before cleaning anything, it's worth working out roughly what you're holding:

Bone-and-wood sets are common from the 19th and early 20th centuries — a thin bone face pinned or glued onto a dark wood (often ebony) back. Look for a visible seam between a pale, slightly porous face and a darker wood backing along the tile's edge.

Ivory sets are rarer, heavier, and denser than bone, with a smoother, more uniform grain and no visible seam between face and back — the whole tile is one material.

Ebony or other dense hardwood sets are typically a uniform dark color throughout, sometimes with contrasting inlaid pips rather than painted or drilled dots.

Early Bakelite sets, generally from the 1920s-1950s, feel notably heavier and cooler to the touch than modern plastic, often with a faint camphor-like smell when rubbed, and can range from cream to butterscotch to near-black in color, sometimes with visible mottling.

Cleaning: less is more

Dry-clean first. A soft, dry microfiber cloth removes the vast majority of surface dust and grime without introducing any moisture at all. Try this before anything else.

If you must use moisture, use almost none. A cloth that's been barely dampened and then wrung out until it feels dry to the touch is about as far as most conservators recommend going on bone or ivory. Never submerge a bone-and-wood tile, since water can loosen the glue bond between the two materials.

Avoid solvents and commercial cleaners entirely. Alcohol, ammonia-based cleaners, and most all-purpose sprays can strip finish, dull the surface, or react badly with aged adhesives. If a set genuinely needs deep cleaning, that's a job for a specialist familiar with organic materials, not a household product.

Bakelite is comparatively hardier but can still discolor or develop surface crazing (fine cracks) if exposed to strong heat or direct sunlight for extended periods, so the same gentle, dry-first approach is still the safer default.

Storage matters as much as cleaning

How a set is stored between games does more to determine its long-term condition than almost anything else:

Stable humidity. Big swings in humidity are harder on bone and wood than any single humidity level, since repeated expansion and contraction is what causes warping and cracking over years. A consistent indoor environment, away from basements or attics with fluctuating conditions, is ideal.

Out of direct sunlight. UV exposure yellows bone and ivory and can fade painted or inlaid pips over time. A closed case or drawer beats an open display shelf in direct light.

A snug, padded case. Loose tiles rattling around in an oversized box wear down edges and corners over repeated handling. The original fitted box, if you still have it, is usually the best home; a felt-lined replacement case is a reasonable substitute.

Checking a set is complete

When to bring in a specialist