Unicorn Rider Halloween Costume January 4, 2020 – by Tish 0 TOLOCO Inflatable Adult Unicorn Rider Halloween Costume. Includes a hat one size fits all (adults) Requires 4 x AA Batteries (not included); It must be 4 AA batteries or it will not be powerful enough to fully inflate the costume kidinventor.com Related posts:How To Make A Unicorn Horn Out Of ClayUnicorn Quilt Block PatternPastel Unicorn CakeUnicorn Coloring Pictures For KidsUnicorns Of Love Vs TsmUnicorn In ChineseAsher Unicorn VansUnicorn Treat Bags