View 164 left in stock Online Price: $14.99 Member Price: $11.24 Your Price: $14.99 Use this enhanced pinwheel to measure the mechanical energy that can be obtained from moving air. - +
View 574 left in stock Online Price: $4.99 Member Price: $3.74 Your Price: $4.99 Use a bent spoon to store the energy needed to launch a pompom into the air. Explore different launch angles to vary the height reached and where the pompom lands. - +
