how to make decorative concrete tiles:

Materials:

Concrete mix
Water
Measuring cup
Mixing container
Tile molds (can be purchased or made from silicone or plastic)
Decorative elements (such as colored glass, stones, or shells)
Release agent (such as cooking spray or petroleum jelly)
Sandpaper
Sealant
Instructions:

Mix the concrete according to the manufacturer's instructions. The consistency should be similar to pancake batter.

Add decorative elements to the concrete mix if desired.

Apply a release agent to the tile molds to prevent the concrete from sticking.

Pour the concrete mix into the molds, filling them to the top.

Smooth out the surface of the concrete with a trowel or flat edge.

Allow the concrete to dry for at least 24 hours.

Remove the concrete tiles from the molds and sand down any rough edges or imperfections with sandpaper.

Apply a sealant to the tiles to protect them from moisture and staining.

Your decorative concrete tiles are now complete and ready to be used! These tiles can be used for a variety of purposes such as creating a mosaic or as a decorative accent in a garden or outdoor space. However, please note that working with concrete can be messy and it's important to take necessary precautions such as wearing gloves and eye protection. Additionally, if you have no experience with working with concrete, it is recommended that you seek the help of a professional.