Features 130 Minutes: These two sand timers provide 30 minutes timing, which is a practical tool which can help kids to build time management and planing. Distribute time on playing, bathing, and bedtime. 2Wide Application: These two sandglass timer are great for turn taking, Finish a puzzle, reading, clean up, tooth brushing, timeout and classroom activities. 3Durable Material: These sandglass timers are made of strong and durable glass and plastic material, the sturdy structure is ideal for using at home, classroom, office and more. 42 Pieces: You will receive 2 pieces of 30mins sand clocks in total, small and lightweight, easy to carry along and can be used at home, classroom, office and more. 5Calming Effects: These 30mins sand timers allow you to experience the calming effects of watching the sand slowly trickle down as you use our hourglass timer to stay focused and productive throughout the day. Specification Item Type: Sand Timer Material: Plastic Quantity: 2 Pieces Product Use: Household Applicable Scope: Most Scenarios Product Size: Approx. 13 x 5.4cm / 5.1 x 2.1in ( Manual Measurement, Slight Error May Exist ) Package List 2 x Sand Timer