1.Hourglasses are all handmade, with fine workmanship and quality assurance 2.The bright colored sand floats down one by one, and is used for furnishing home decorations and gifts 3.Hourglass is a very effective visual cue that helps to improve attention and time management. to see the passage of time 4.100%New, never used and in good condition 5.uitable for timing for small things like children brush his teeth perfect for timing cooking, games, exercising and so on Colour:blue Material:plastic Size:about 8.5 x 2.5cm Package Contents: 24 x sand timer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.