Pay in 4 interest-free payments of $51.25 Learn more
Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
These excellent sets contain the latest innovations including cams and linkages which will help to inspire future engineers
Pack size: 250 sheets
Teachers and caregivers will appreciate the multifunctionality of this unit
Extra Notes pages
Hanna Hi-98127 Pocket Water-Resistant Ph Tester 51545 These excellent sets contain theWater resistant, accurate and portable, this handy little pocket meter is a 'go anywhere' pH tester, with a replaceable electrode. Also designed to float if accidentally dropped into water. Dual LCD showing pH and temperature readings simultaneously. The exposed temperature sensor provides fast response time. For convenience the pH readings can be held on the LCD using the HOLD button and the meter will automatically switch itself off to preserve