You’ll find a mix designed for décor, crafts, and vase filler. Common options include:

• Flat glass gems (disc-shaped): great for vase fillers, mosaic art, and table scatter.
• Round glass marbles: classic look for bowls, centerpieces, and games.
• Glass pebbles/nuggets: irregular, organic shapes that add texture.
• Acrylic gems or faux ice: lightweight pieces for table scatter or displays.
• Marble chips: natural stone chips for bowls, planters, and minimal décor.
• Specialty pieces (e.g., luminous or mixed-color assortments): for themed projects and events.

Sizes and colors vary by listing, so check the description for diameter ranges, finish, and the intended uses (vases, aquariums, crafts, or table décor).

It depends on the vase size and the marble shape. Many listings note weight and approximate counts (for example, some 1 lb bags list around 80–105 pieces, and some 5 lb bags list about 500–600 pieces, depending on size). To estimate:

1. Check the product details for piece count and diameter.
2. Measure your vase (height and opening) and decide how full you want it.
3. Use a quick test: fill the vase with dry rice to your desired level, then pour that into a measuring cup to estimate volume and compare across listings.

When in doubt, consider ordering a bit extra so the fill looks consistent across multiple vases.

Look for listings that explicitly mention aquarium or fish tank use. Many glass marbles, flat gems, and pebbles are used decoratively in tanks, but suitability can vary by product.

• Verify the description for aquarium compatibility and size (to avoid blocking filters).
• Rinse thoroughly in clean water before use to remove dust and debris.
• Place gently to protect tank glass and to avoid disturbing substrate or décor.
• Monitor your setup over time and adjust as needed for your specific tank conditions.

If a listing doesn’t call out aquarium use, consider a different option that does for added peace of mind.

Routine cleaning is simple and can help them look their best:

1. Rinse marbles in warm water to remove loose dust.
2. Wash with mild dish soap and water; gently agitate in a bowl or use a soft cloth.
3. Rinse thoroughly to remove any soap residue.
4. Air-dry on a towel to prevent spots; avoid high heat.

For stubborn residue (like glue), soak longer in warm, soapy water and wipe gently. If you plan to use them in an aquarium afterward, avoid harsh cleaners and rinse repeatedly in clean water so no residue carries over. Always follow any care guidance noted in the product listing.

They can add color, sparkle, and stability to centerpieces:

1. Layer marbles in a heat-safe glass container to the desired height.
2. Add water slowly to minimize splashing and protect the container.
3. Test candle buoyancy and adjust marble height so flames sit well above the rim.
4. Style thoughtfully: clear marbles amplify light; colored mixes add a themed accent.

Keep a safe clearance between the flame and any décor, and never leave candles unattended. Results can vary by candle size and container shape, so a quick test run before an event can help you fine-tune the look.