Sandglass Timer Sand Clock, 3+5+7 Minute Hourglass Simple Wooden Combination Colorful(Black)

Hourglass triangle, one side there is a time, namely, three minutes, five minutes and seven minutes, is a combination of whole, not a group

• Color: black border, 3 minutes blue sand,5 minutes red sand, 7 minutes orange sand
• Color: white border, 3 minutes green sand,5 minutes red sand, 7 minutes orange sand
• Size: Height 11cm, 6cm triangle side lengths
• Material: pine + glass + colored sand
• Our sand timer is not intended for precise timing and may have slight time deviation. Occasionally, sand may stick to the glass. Simply flick the glass with your finger or expose it to sunlight for a while to resolve this situation.