A Vibrant, Whimsical Find: Unicorn Mermaid Squishmallow The 20-inch Unicorn Mermaid Squishmallow ($40) is such a vibrant and coloful find, it will give their collection the whimsy it's been missing. They won't be able to let go of this one! Image Source: walmart.com Unicorn Mermaid Squishmallow $40 from walmart.com Buy Now