9-Piece Stainless Steel Hooked Weight Set, 10-1000g, with Wooden Storage Pack Size_50 and beverages plus dynamic change

and beverages plus dynamic change during titration in laboratory and field work

Lightweight equilateral acrylic refraction prism with polished triangular faces

spinal cord

and wax candle for student investigations of oxygen consumption during combustion in general chemistry lessons

this insulated wire keeps polarity color-coded across the mid-reach branches of small-scale breadboarded circuits

9-Piece Stainless Steel Hooked Weight Set, 10-1000g, with Wooden Storage Pack Size_50 and beverages plus dynamic changeStainless steel nine piece hooked weight set with retractable hooks spanning 10 to 1000 grams, supplied in a wooden storage block for classroom physics and force measurement investigations.