It consists of 60 balls of various colours and 26 legs as per details given below:Balls represents tetra hydro carbon ethanic, ethenic& acetylenic – 10 Balls.Green represents halogens – 4 Balls.Yellow represents sulphur, selenium etc. – 3 Balls.Orange represents sodium, potassium etc. – 3 BallsRed represents oxygen – 5 BallsBlue represents nitrogen, phosphorus etc. – 5 BallsYellow represents aluminium, chromiun etc. – 4 BallsOrange represents calcium, magnesium etc.-5 BallsWhite represents hydrogen – 21 BallsWhite leg represents valency bond – 26 Nos.