Kindly follow the below steps in order to restore your subscription:
1) Sign out of Google Play.
2) Restart your device.
3) Log in to Google Play using the same Gmail ID used for the subscription. (Please verify your ID from your subscription receipt).
4) Now open the app.
5) You should now be able to access your subscription.
If you are still enable to restore then please reply/email us a copy of your purchase receipt at support@kidloland.com.