A crayon is a stick of pigmented wax used for writing or drawing. It is a popular art medium for children and adults alike. Crayons are available in a wide range of colors and can be used on a variety of surfaces, including paper, canvas, and wood.

Crayons are made from a mixture of wax, pigment, and a binding agent. The wax helps to hold the pigment together and makes the crayon easy to use. The pigment gives the crayon its color. The binding agent helps to keep the crayon from melting.

However when we talk about safety, crayons are generally considered safe for children under four years old, but certain precautions should be taken to ensure their safety. Before that, here are some things parents should know about crayons:

• Choose non-toxic crayons. Crayons labeled as “non-toxic” are safe for children to use. Avoid crayons that are not labeled as non-toxic, as they may contain harmful chemicals.
• Supervise children when they are using crayons. Children under four years old may put crayons in their mouths, so it is important to supervise them when they are using them.
• Keep crayons out of reach of young children. Even non-toxic crayons can be a choking hazard for young children.
• Choose crayons that are the right size for young children. Crayons that are too small can be a choking hazard. Look for crayons that are at least 1.5 inches long and 0.5 inches in diameter.
• Choose crayons that are brightly colored. Brightly colored crayons are more appealing to young children.
• Choose crayons that are easy to grip. Crayons with large, easy-to-grip handles are easier for young children to hold and use.
• Choose crayons that are durable. Crayons that are made from durable materials are less likely to break when they are dropped or chewed on.

And now here are some factors to consider before giving crayons to children:

1. Non-Toxic and ASTM Certified: When purchasing crayons, look for products that are labeled as non-toxic and have been tested and certified by the American Society for Testing and Materials (ASTM). These crayons are specifically designed to be safe for young children.
2. Size and Shape: Opt for crayons that are specifically designed for young children. Larger crayons are easier for small hands to grip and reduce the risk of choking hazards. Avoid crayons with sharp points or those that easily break into small pieces.
3. Use under Adult Guidance: Encourage children to use crayons under adult guidance. This allows you to teach them proper drawing techniques, supervise their play, and ensure they use the crayons safely.
4. Allergy and Sensitivity: Some children may have allergies or sensitivities to certain substances or dyes used in crayons. If your child has a known allergy or sensitivity, it is best to consult with a pediatrician or conduct a patch test before introducing new crayons.

Remember, every child is different, and it is important to consider their individual development, maturity, and behavior when determining if they are ready to use crayons. By taking the necessary precautions and providing proper supervision, crayons can be a fun and creative tool for children under four years old.