bids are invited for design installation and maintenance of educational lab/centre - science lab; site preparation, supply and installation of hardware, e-content, furniture; buyer--lunar eclipse model, solar eclipse model, solar system model, zodiac constellations, solar system weight bottles, day and night model, planisphere, solar hanging cards, astronomy books, phase of moon models, moon wall model, celestial globes, rocket launcher, rocket models, moon rover-solar-powered robot, dly 14 in 1 educational solar transformers robot kit, periscope, sun dial, set of metals, set of rocks, set of minerals, reflector telescope, telescope with stand, binoculars, microscope, galaxy projection setup, compass, newton color disc, convex lense setup, maxwell pendulum, newton law kits, mutual induction physics mini projection wireless power transfer/transmission science working model d y kit, flaming right hand rule, flaming left hand rule, salt water battery kit, thermo electric kit, diy set of kits, space quiz setup for 4 participant, power extension board, led [r, g, b]- each 40, resistor box