* Photos are only for reference and we deserve the rights to change any color, range, model etc
* Price : Indian rupees is accaptable for other countrys kinly coordinate with 09444079727.
* Any customized Teaching aids can be done under request
The variation of effort with respect to the angle of inclination is demonstrated in this teaching aid model.
The effective distance of effort arm to lift the load with least effort in the first order lever is illustrated in this table top teaching aid.