No caulk and glue are included. The package includes 1 bamboo base and bulk glass mosaic tiles, and also includes a stirring stick and sponge, You complete a set of mosaic coasters. Making with these glass tiles and blank coasters is a great way to relax, spend a happy time with this kit, have fun doing it with your hands, no mess, easy to clean up, you can enjoy this craft while making handmade mosaic coasters. Made of High-quality materials, rich colors, never fade, bright appearance, all come with pre-cut mosaic tiles, smooth , polished edges, not cause any harm. With a flat bottom , so you can use glue, easy to stick. The finished flower bamboo coasters can be used for drinking cups, coffee cups, glass mosaic tiles, and can also be used to , photo frames, plates, cups, flower pots, tableware, fish tanks, ceramics, mirrors, vases, trays or DIY table lamps, make stepping stones and other items. Whether it is an unfinished mosaic coaster set or a finished product, this mosaic set is a meaningful gift for family, friends and lovers on their birthdays, or you may know how much they like DIY, you love this mosaic tile kit. Bulk Mosaic Glass Tiles with Blank Coaster Base Tray for Adult Crafts. Specifications: Our mosaic set includes: Bulk mosaic tiles, mixed colors, 1 piece bamboo coaster tray, 15.5cm/6.1in diameter, 1 * coasters, 2 * stick, 60g * glass mosaics pieces, 20g * glass mosaics pieces, 10g * glass mosaics pieces, 50g * mosaics, 1 * sponges, Other mosaic supplies Note: Contains small and pointy objects, adult supervision is required when playing. The accessories are irregular and the colors are asymmetrical, which does not affect the use. Colour:As Shown Material:Wood Package Contents: 1set * adult mosaic kits Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.