Pentel Arts Oil Pastel Set Assorted Colors, Set of 16 – Link

Amazon has this currently marked down to $1.88.

• Brilliant colored pastels apply smoothly and blend easily for subtle shades, tints and color mixtures
• Easy to use for artists of all ages
• Acid-free pastels are ideal for use on paper, board or canvas
• More vivid than chalk pastels and more resistant to the effects of humidity for longer-lasting drawings
• ACMI Certified