bids are invited for geometrical instrument box , 3 d solid set , hollow sphere , cylinder hollow , combination of cube & sphere , volume relation between cone & cylind , triangle kit , exterior angle of regular polygon , constrfuction of parabola , angle property of cyclic quadrilatera , angle sum property of triangle , ratio of area of similar triangle , conic section with standard equation , conic section , mensuration cube , perpendicular line segment , parallelogram kit , 3d solid set , decimal plate , power of two , factorization tiles , fraction wheeleva foam , magnetic fraction disc , derivation of pi , metal wired tape , time and work kit , stop watch , probability kit , pythagoras theoram senior , mensuration kit , algebra identity , cubic identities, trigonometry boards , algebra kit , set theory byvenn diagram , arithmetic progression kit , pascaltriangle kit , relation and function , geometricalpogression kit , portraits of great mathematicians total quantity : 49