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transverse-edged piece 6cm long - so
liquid and plastic substances
Each pen will last about a year
and showing the Laws of Conservation of Momentum and Energy
and (small) screwdriver
Chemistry Chaos Classic Instrument transverse-edged piece 6cm long -Safe, fun beginner (8+) chemistry set, comes with instructions, discussion, and DVD. All the kit required for 23 experiments more the colourful crystals than the more advanced acid alkali. Chemistry sets are hard to come by under modern restrictions, this one is safe enough to be a constant. Package 235mm H x 180 W x80 D.
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