Unicorn Paint & Play #4217, 5457, 4227, 4280/W4280 released 2018-2026. "There are four different unicorn models - each ready to paint. These models come on a blister card, and are complete with three paint pots of iridescent colors (silver, pink, and purple), as well as a paintbrush." www.breyerhorses.com. The four models included the Alborozo Unicorn, Magnolia Unicorn, Warmblood Mare Unicorn, and the Walking TB Unicorn. The assortment number for these models was #4233.
These models were released under several different item numbers over the years. #W4280 was referred to as Unicorn Paint & Play - Style C on the Breyer website.