A mesmerizing blend of science and design This unique sand timer turns time into motion and art. As iron filings fall through the glass, a hidden magnet in the copper-colored base pulls them into spiky, sculptural patterns—offering a striking visual demonstration of magnetic force. Iron filings respond to magnetic base, forming dynamic shapes Stands 6.5" tall with the included copper-colored base A perfect blend of science education and elegant desk décor Recommended for ages 8 and up Only sold in increments of 5 (case pack of 5) Great for classrooms, offices, or gift displays—this timer captivates curiosity with every flip.