Product dimensions: 45 depth x 45 width x 100 height mm ✅ Contents: Set of 5 ✅ Types: 　5 minutes x 2 　15 minutes x 1 　30 minutes x 2 ✅ Size: 10cm x 4.5cm ✅ Child-safe: Made of durable material, so it's hard to break. ✅ Applications: Perfect for studying, cooking, exercising, playing games, brushing teeth, sauna, and also as a stylish gift or room decoration. ✅ Please note: Please understand that this is not a precision instrument. ✅ Due to being a used item, there may be scratches that do not affect use.