Is using KidsZone chargeable?

No, using KidsZone is absolutely free of cost. 

You need not to loosen your pocket to let your child use this fun filled, jolly e-portal of MindStick. This is the place where your little one can enjoy and spend time in learning with this advanced technique. KidsZone's only vision is to be the source for childhood learning on the internet available from anywhere around the world.