Whether your child wants to head out on a pretend bow-hunting expedition or participate in some target practice, the Nerf Arrow Refill Pack is the just accessory that he or she needs. Nerf makes toys that let young kids enjoy sports in a safe and fun way. Set up friendly competitions to see how well your child can hit a target with the Nerf Bow Arrows and show them how to keep score. Bright and playful, this Secrets and Spies set will bring a smile to your child's face and make a big impression on everyone who sees them. They're made to work with the Agent Bow Blaster, which is sold separately, and each pack consists of three multi-colored arrows. These kids' arrows are a thrilling sight when launched. When shot out of the Agent Bow Blaster, they can soar up to 85', and they actually whistle as they fly.