Barnett Phantum Suction Darts Blue 6 pk. Product Name: Barnett Phantum Suction Darts (6-Pack);Compatibility: Compatible with Barnett Phantom Toy Crossbow;Safety: Safe for Indoor and Outdoor Use;Design: Suction Cup for Adherence to Smooth Surfaces;Benefits: Allows for Extended Play and Practice Sessions;Purpose: Enhances the Youth Archery Experience