The price of making science less complicated? The range is wide. While membership of the Creative Science Club is free, at National Bal Bhavan, children below 12 years pay Rs 50 while the others are charged Rs 100 for a year-long membership that permits them to attend any activity at the institute. Busy Hands charges Rs 500 for two days and Rs 1,000 for a five-day workshop. Making a robot, meanwhile, is more expensive. At Building Blocks, the robotics workshop ranges between Rs 2,000 and 4,500 while robo.in charges Rs 9,300. Bhattacharjee adds that the classes gain in popularity during summer months when youngsters while away their free hours watching the boring science formal come alive in interesting experiments.

Contact National Bal Bhavan 23232672; Building Blocks 9818403093; Robo.in 022- 25720700; Busy Hands 9811418983; Creative Science Club 22378115