These LED Halloween Masks are on sale for $9.89 or less at Sampees via Amazon. Shipping is free for Amazon Prime members or when you spend more than $35. Otherwise, it adds $5.99. It's designed to fit adults and children. This is the best deal we found on a similar mask, and recommend this one because of its "A" rating on Fakespot, which verifies the seller and the accuracy of the reviews.