1. What is a Palette: A palette is a smooth, flat surface that artists use to mix, hold, and organize their paints before putting their creative ideas onto canvas: it is a painter's color mixing board.

2. The Classic Thumb Hole: Most traditional wooden art palettes are famous for having a handy thumb hole near the edge so an artist can easily hold the board in one hand while painting with the other: they are built for one-handed balancing.

3. Kid-Friendly Plastic Trays: For school art projects and younger painters, palettes are often made of lightweight plastic shaped like little trays with round wells that hold liquid watercolor or tempera paints neatly in place: they are colorful paint holders.

4. Not Just for Paint: Digital artists use high-tech digital palettes on computer screens and tablets to pick exact digital shades, while makeup artists use small metal palettes to mix different colors of foundation and lipstick: they are used for digital art and makeup.

5. The Secret of Mixing: Painters use their palettes to experiment by blending primary colors together to create brand-new secondary colors right before their eyes: they are magic color-mixing labs.

6. Colorful Art Sculptures: Over many years of painting, a heavily used wooden palette gets covered in thick, layered smears of dried paint until it becomes a colorful, bumpy piece of art itself: they are accidental masterpieces.

7. Ancient Beginnings: Artists have been using palettes for thousands of years, with ancient Egyptians and cave painters mixing their natural earth pigments on flat stones and shells long before wooden boards were invented: they have a long history in art.