KidWind Chipboard Sheet, stiff, easy to cut, lightweight, low cost, and recyclable material used to make simple wind turbine blades, Length: 12 in, Width: 3 in, Thickness: 1.5 mm
Properites of Toothpaste, Forensic Kit, Includes: Microscope slides, Coverslips, Deer hair sample, Cat hair sample, Human hair samples, Forceps, o determine the origin of a hair sample from a crime scene in relation to hair samples from four known suspects
Square Friction Cube With Hook, 4 Surfaces, 2 Inch, Provides Four Surfaces For Exploration Into The Force Of Friction. Each Side Of The 2in Cube Provides A Surface (Wood, Paper, Vinyl, Sandpaper) With A Different Coefficient Of Friction