Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size 100 x 60 x 18 mm
Single student or group, Learn about the effects of mercury poisoning on the brain, Model the flow of toxins and energy through an ecosystem's food chains and food webs, Develop the concept of biological magnification for environmental toxins.
Pulley - Force Table, Low Friction, Heavy Duty Metal Clamp Attaches Securely To Table Tops From 10 To 24 mm Thick And Pulley Runs Smoothly On Ball Bearing.
Super Wiggle-Bots - Doodling, Scribbling, Drawing, Racing Bots, Single, motorized contraptions designed and built by kids, widen as wires are connected and Wiggle-Bots start to move, understanding design through experimentation
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