Kuchenprofi Sand Timer 3 5 7 Minutes

3-Piece; set includes a 3, 5 and 7-minute timer
Green color for 3-minute; black color for 5-minute; red color for 7-minute
Each works like a mini-hour glass; turn upside down and when the sand drains to
the bottom, time's up
Glass and plastic; each measures 3-Inch high by -3/4-Inch diameter
Wipe clean