6 Colors Sand Timers: 6 different coloured sand timers with well package. Black 30s, blue 1 min, pink 2mins, yellow 3mins, green 5 mins, red 10 mins to meet various needs. Material: hourglass is made of durable PVC cap and tube, glass and colored sand. Each Size: 3.35 x 0.98 inch. Can be stably placed on horizontal surface, such as desktop. Shockproof and not easy to fall down. Counting Time: including sand timer with 30 seconds, 1 minute, 2minutes, 3 minutes, 5 minutes, 10 minutes. Please note: sand timers are made for game, each one with 10% time deviation. Hourglass Sand Timer: Help children to build time management and planing. Distribute time on playing, bathing, and bedtime. Encourage and management time share with family or friends. Wide Uses: used for kitchen, classroom, countdown game, exercising and office. Also can be used as egg timer, tea timer, shower timer, toothbrush timer, etc. Ideal sand timer for children kids adults.