PineCar Program Guide, A 19-page, fully-illustrated race sponsor's guide with easy step-by-step instructions on conducting a PineCar Derby or SailBoat Raingutter Regatta, information on how to plan the event, set up the race floor plan, select the car and sailboat kits
Atmospheric Mat with Hook, Measures 10.5 x 10.5 In, durable, thick rubber mat has a simple design that demonstrates a powerful concept - Atmospheric Pressure
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 75 x 50 x 12 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.