A set of dynamic cart trolleys are used for investigation on momentum, velocity and acceleration. Each trolley consists of two rectangular wooden bloc...
Set of three electric car kits and manual. Performs 2 experiments. This activity kit includes enough materials for three groups of students (up to 11 ...
Seeds come in all forms, such as nuts, berries, pods, wings, acorns, and more. Students can study and identify 39 examples of these and other seeds in...
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