Set the Car-Bed Low.
The smallest boy will understand that the lower the bed of the car is put the less the danger of an upset, so instead of putting the axle, under the car, run them through the bed, as shown by Fig. 128.
Figs. 127 and 128.
The smallest boy will understand that the lower the bed of the car is put the less the danger of an upset, so instead of putting the axle, under the car, run them through the bed, as shown by Fig. 128.
Figs. 127 and 128.