This Vixen "Star Finder" is perfect for beginners to stargazing and astronomical observation. Made of water-resistant, tear-resistant stone sheet, it's safe for outdoor use. How about taking it camping or using it for a science project? Features: ・Water-resistant and tear-resistant material ・Glow-in-the-dark design for easy viewing at night ・360-degree rotating dial to easily align date and time to find constellations ・Recommended for summer vacation science projects, camping, and astronomical observation events ・Size: Approximately 25cm in diameter How to use: 1. Align the date and time 2. Adjust for errors based on your observation location 3. Align the direction and compare with the starry sky ※ Will be shipped in simple packaging. We will take care to prevent folding, but please understand.