Horror Blood Test Tube.Includes: One Horror Blood Test Tube. Dimensions: Approximately 4.75" high. *Costume and Accessories Not Included. Sold Separately. Test Tube Horror Blood is made of plastic and measures approximately 4.75" high. Adult supervision REQUIRED - Recommended for children of 5 years and up. Warning! Do not put in eyes, ears nose or mouth! Product may stain certain materials.