Hourglasses of 6 colors: 6 hourglasses in different colors with well-packaged packaging. Black 30s, blue 1min, pink 2mins, yellow 3mins, green 5mins, red 10mins to meet different needs. Material: The hourglass is made of durable PVC, glass and colored sand. Dimensions: 8.5 x 2.5cm. Can be placed stably on a horizontal surface, such as a desk. Shockproof and not easy to fall off. Counting time: with hourglass of 30 seconds, 1 minute, 2 minutes, 3 minutes, 5 minutes, 10 minutes. Please Note: Hourglasses are made for play, each with a 10% time gap. Hourglass: Helps kids with time management and planning. Allocates playtime, bathtime and bedtime. Encourage and manage time to share with family or friends. Wide Uses: Used for kitchen, classroom, countdown, exercise and office. Can also be used as egg timer, tea timer, shower timer, toothbrush timer, etc. Hourglass ideal for children and adults.