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Ambassadors
This beautifully crafted hardcover book showcases the A–Zs of engineering and how stuff works
Printed on the AS Colour Staple Tee in topaz
Each pack comes with:
Quantity: 200g
pH strips (set of 6) AmbassadorsTest the waters in the Water Challenge with this set of pH strips. See how acidic or basic your wai is just dip a strip into water and watch the colour change like magic! Then work out what you can do to neutralise your wai to a safe drinking pH. Set of 6.
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