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The dolls represent a variety of ages
cotton band
1 x Sticky Fixers Strip
General purpose pH test strips for use with a variety of solutions
Levers Kit (Each) KD522201 The dolls represent a varietyKit includes: (5) Levers, (4) Fulcrum Triangles, (Plethora) of Counter Masses Kit is used to outfit a classroom of 5 groups to study levers, center of mass, balance, equilibrium Instructions not included Levers are 23. 75 inches long Graduations do not correlate to English or metric units of measure in order to force empirical thinking about balance A great low cost kit to teach students about simple machines, balance, equilibrium and center of mass.