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Whether your budding athletes are swinging from bar to bar like tiny Tarzans or just trying to hang out (literally)
Extra Notes pages
these wooden frames are strong
These excellent sets contain the latest innovations including cams and linkages which will help to inspire future engineers
Hanna Hi-98127 Pocket Water-Resistant Ph Tester 51545 Whether your budding athletes areWater 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
US$ 130.95
US$ 162.95
US$ 42.00