30 Minute Large Sand Timer/Hour Glass in Safecase For Sensory Games & Classroom Activities (2 Pack) - Sensory Toy Warehouse - Special Needs Developmental Toys
Amazon.com: OrgaNice Hourglass Sand Timer - 30 Minute & 5 Minute Timer Set - Improve Productivity & Achieve Goals - Stay Focused & Be More Efficient - Time Management Tool - [Gift-Ready Packaging]: Home & Kitchen