To get the bonus 4GB you need to activate the starter kit before or on 31 May 2016.
I think this is better than they VAYA deal posted today, especially as you can stock up due to the fact Vodafone starter kits have no expiry date.
Kits are delivered FREE
The $50 starter kit will give you:
Data: 6GB
Standard national voice calls: Infinite
Standard national TXT: Infinite
Standard national PXT: Infinite
Standard national video PXT: Infinite
Standard international voice calls: Infinite standard minutes to 10 selected countries (Countries are China, Hong Kong, India, Malaysia, NZ, Singapore, South Korea, Thailand, UK and USA) and 90 standard minutes to selected countries (using up your combo credit)
Standard international TXT: 35c per message
Standard international PXT: 50c per message
Standard international video PXT: 75c per message
13, 15, 18 and 1800 Numbers: Infinite
Standard international video calls: International call rates
Roaming: International roaming rates
Voicemail: 98c per minute and 40c connection fee
Call diversions in Australia: Infinite
TXT delivery notification: 5c per delivery notification
Premium TXT/PXT: Rates apply subject to service
123 'Ask Anything': $3.50 per minute and $3.50 connection fee
1223 Directory Assistance: $1.00 per minute and $2.60 connection fee
EDIT: If you are happy to order from a seller on Ebay you can save another $2 per kit but you have to quick as the offer expires in about 23 hours (as of 4:54pm Tuesday 8 March 2016)
http://www.ebay.com.au/itm/Vodafone-50-Prepaid-SIM-CARD-Pric…
(thanks to koolbir)
Cheaper here- $24 delievered
http://www.ebay.com.au/itm/Vodafone-50-Prepaid-SIM-CARD-Pric…