Cant access my samsung galaxy tab 3 for kids as my google account is blocked
How to hard reset:

Warning! All data will be lost! Use this at your own risk!

1.Turn off your tablet

2.Push together volume up + home key + power key until Samsung logoo appears

3.Select with volume key "wipe data" and push power key to confirm

4.Select "yes" and push power key to confirm

5.Wait until format ends

6.Push power key to confirm "reboot"

7.Wait until the tablet restarts