bids are invited for inertia model with coin conservation of energy simple pendulum dependence of period on length simple pendulum independence of period on amplitude and mass centrifugal force kit two models optics kit telescope equatorial mount volume expansion electricity kit double cone solar model generating solids sextant model to find the trigonometric ratios of standards angles magnetic levitation model of pulleys anatomy models chemical reactions and their types distillation set all glass with stand, clamp and quick fits separating funnel model box electrolysis model dissection box structure of atom superior chart chemicals in our daily life superior chart radioactivity superior chart sound superior chart sound wave series nuclear reaction superior chart periodic classification superior chart industrial inorganic chemistry superior chart classification of living organisms superior chart food and its constituents superior chart digestive system superior chart execratory system superior chart respiratory system superior chart control and coordination superior chart deficiency and diseases superior chart balanced diet superior chart structure of plant cell superior chart structure of animal cell suprior chart reproduction in animals superior chart reproduction in plants superior chart tools kit manal colour printing know the number first ( a + b ) 2 working model a2 - b2 working model ( a + b + c ) 2 working model concept of fractions interior & exterior angle super hexagon trigonometry number system tree visualizing polygons visualizing types of fractions measurement of angles understanding the value of pi concept of lcm & hcm visualizing proof of area of a circle through activity sum of angles in quadrilaterals is 360 degree multiplication made easy rotate me model sum of angles in triangle is 180 degree visalizing sin2+cos2 visualizing types of numbers circle theorem - 1 circle theorem - 2 angles made by transversal trigonometric ratios ( one model - many concepts ) types of triangles based on sides pythagoras theorem chinese proof of pythagoras theorem wall charts -great mathematician photo supplementary & complementary angles visualizing 3d - coordinate system & octants criterias for congruency of triangles visualizing tangents to a circle from an external point coordinate geometry model parts of circle and tangent line surface area of cube visualizing condition for lines playing with lines & learning different lines finding area of shaded region practically visualizing types of angles surface area of rectangle cuboid conic section learning mid - point theorem practically quiz board on fundamentals of maths quiz board on laws of indices unknown facts of maths laminated wall mounting charts ( 10 sets for each schools, for 9 schools ) visualizing adjacent angles & linear pairs m s steel tables ( l- 4 ft, w- 2 ft, h- 2.5 ft ) m s steel stool ( standard ) 18 inch projections microscope laminated description charts regarding above said maths models ( 50 sets for each schools, for 9 schools ) types of triangles based on angles visualizing number of tangents to a circle total quantity : 1849