These colorful sand timers are seriously the coolest way to teach kids about time management! You get 12 total hourglasses in this set - two of each time interval including 30 seconds, 1 minute, 2 minutes, 3 minutes, 5 minutes, and 10 minutes. Each one comes in these bright, fun colors with matching colored sand that makes timing activities way more engaging for kids. They're perfect for everything from timing tooth brushing (dentists recommend 2 minutes!) to shower timing, classroom activities, board games, cooking, or any situation where you need a visual timer. The plastic construction is durable enough for kids to handle, and the 8.5 x 2.5 cm size is perfect for little hands but still visible on desks or countertops. Teachers love these for classroom management - they help kids understand how much time they have for activities without constant reminders. Parents find them great for establishing routines and teaching time concepts in a way that's actually fun. The visual nature of the flowing sand is perfect for children with special needs or anyone who benefits from seeing time pass physically. Just remember these aren't precision scientific instruments - there might be slight variations in timing, but for most everyday uses, they work perfectly. Such a simple but effective tool for making time management visual and engaging!