Amazon has the Prismacolor Premier Pencils Adult Coloring Kit for only $17.29 (Reg $34.99) with Prime Shipping. This kit comes with pencils in 24 colors, an illustration marker, an eraser, a sharpener and a coloring booklet with 8 illustrations.
If you are not already a Prime Member you can join with a 30-day free trial of Prime, as a student with Prime Student, or as part of Amazon Family.
Please note: Amazon prices are subject to change at any time and may have increased or decreased since this offer was posted.