A compact lightdriven radiometer that makes a thoughtful gift for friends or family. When placed in sunlight the blades rotate continuously, creating a calming kinetic display that adds visual interest to any room. Key benefits Simple visual motion driven by sunlight; no batteries or power supply required Attractive decorative piece for desks, shelves, or tabletops Quiet, continuous blade rotation that draws attention without distraction Easy to give and display as a gift for friends, family, or colleagues Function and performance Converts incident sunlight into blade motion so rotation starts and continues under direct sun or strong indoor light Reliable visual response that demonstrates light driven motion clearly and consistently Compatibility and placement Suitable for office desks, living room shelves, windowsills, reception areas, and classrooms used where it receives direct sunlight or strong ambient light for consistent rotation Size and material Designed as a compact decorative item that fits on most desks and shelves Constructed for regular display and handling; finished for an attractive appearance Use scenarios Office desk accent: place on a desk near a sunny window to add a subtle dynamic element to a work area Living room display: position on a side table or shelf to create a calming focal point when sunlight enters the room Gift for family or friends: pack as a thoughtful present that is easy to display and enjoy Practical notes Place in direct sunlight or strong indoor light for motion Low maintenance and ready to display right out of the box This radiometer offers a simple, elegant way to introduce motion and light interaction into everyday spaces while serving as a memorable gift.