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Medusa Jellyfish 30 spherical glass marbles for mosaic tile

Medusa Jellyfish 30 glass marbles for mosaics  spherical
Price: $3.38

Toy Marbles are sold in bags of 30 and can be used as a form of glass mosaic tile when pressed into wet cement such as commonly done when making mosaic stepping stones. However, the marbles are spherical and are not easily glued to a surface like ordinary flat tile. Most varieties are opaque and have brightly swirled colors and are more interesting than ordinary forms of mosaic glass. The nominal size is 16mm (9/16 inch).

For mosaic work, the marbles are best used in mosaic stepping stones and other applications where the pieces are pressed into wet concrete, although the marbles should be pressed in flush with the surface and not used in excess quantities to avoid creating a slip hazard. The marbles can be glued to a flat surface, but a thick and tarry adhesive like Liquid Nails brand or thinset bonding mortar (sticky concrete) would be needed so that the marbles don't slip out during grouting. You would also need to make sure that your other tiles were about as thick as the marbles or use thinset to account for the differences in tile thickness. We discourage cracking marbles because it generates too much waste, and the pieces can be quite sharp.

  • Dimensions: nominally 9/16" (16mm) with variation.
  • Coverage: We recommend these more for accents in mixed-media mosaics instead of covering larger areas.
  • Frost-proof, impervious to moisture.*
  • Suitable for indoor or outdoor use.*

    *Keep in mind that these aren't officially certified by the manufacturer as building material, but they are inert glass, and should be durable for use anywhere glass tile could be used.

    Use our Quick Order Checklist to order rapidly using a list.

    For advice on how to create durable mosaics, please see our Mosaic FAQs or our Online Mosaic Instructions Guide.


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