Pay in 4 interest-free payments of $17.50 Learn more
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Part B: 20 Minutes
a buzzer will sound
heavy-duty scale✅Large
laboratory
light green
Sand Timer, 3 Minutes, Yellow Microscope Accessories Part B: 20 MinutesSand Timer. 3 Minutes. Premium Quality: Sand Timer is made of high quality, heavy duty and durable materials. Designed for use in science classrooms, household and educational settings. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.
US$ 35.99
US$ 42.99
US$ 26.99
