London Street Red Telephone Booth Paint by Numbers Kits for Adult Kids DIY Painting by Number for Home Wall Decor,16"x20" Unmounted. Unmounted linen canvas, frameless. Size: 16*20 inch paint by number kits. Easy to fill and finish the oil painting. $13.99 −$1.00 $12.99.. With the paint by numbers for adults, you can easily become a professional artist. In the process, you’ll understand the basics of coloring and painting as well. And you don’t need to be a professional painter to create some fabulous work of art. Christmas Deer Painting By Numbers. "/>Paint by numbers for adults