purchase of equipments for outdoor science park in thencheeri school , see saw 120cm height including foundation.4”x2” gi squarepipe. adjustable seats. 4 mtr length. , cycle pump bicycle attached with 1/2hp pump with a discharge likea fountain in a pond , centrifugal force with chain 1.5”x1.5”squaretubewith the heightof 8 feet and 4feet length. stainless steel balls and chain , coupled pendulum 1.5”x1.5”squaretubewith the heightof 8 feet and 4feet length. 4” stainless steel balls and chain. , pulley system single pulleyand multipplepulleysystem. 1.5”x1.5” square tubewith theheightof 8 feet and 4 feet length.concrete balls and nylon rope. , centrifugal force with ring stainlesssteelring and 2”ball with hole.1.5”x1.5” square tube with the height of 8 feet and 4 feet length. , archemedes screw tubular shaed frame with 1”x1” square tbe and flexible pipe and a pond , solar eclipse 1.5”x1.5”squaretubewith the heightof 8 feet and 3feet width. 4” ss ball and gi sheet , lunar eclipse 1.5”x1.5”squaretubewith the heightof 8 feet and 3feet width. 4” ss ball and gi sheet , multipple pulley system 1.5”x1.5”squaretubewith the heightof 14 feet and4 feet width to lift a person standing on the equipment , globe with timeline 3feetdiameterglobewith6mm giwireand gisheet marked the latitude and longitude. , solar system vertical 10 feet height, with sun and eight planets in vertical model , phases of moon 1.5”round pipe and 10 feetheight.indicatesthedifferent phases of moon in a month , simple pendulum 1.5”x1.5”squaretubewith the heightof 8 feet. 4” square ball with string to adjust the height , snake pendulum 1.5”x1.5” square tube with the height of 8 feet. 8 pendulums oscilating like snake. , music rods 1.5”x1.5” square tube with the height of 8 feet. 2” ss pipes of different legth which produce music. , shadow detector 2 feet dia disc to measure the changes of shadows in various seasons