Extra Small kit also available for $5 from Lebara
Extra Small Plan $14.90 includes $3 credit for international standard talk and text (when used solely for calling credit may be used for up to 300 minutes to Canada, China, Singapore, Puerto Rico and United States), 3GB.
Medium 30 Day SIM 50GB first 3 months, 30GB ongoing Unlimited talk to 35 countries Zone 1 Up to 300 minutes* to Zone 1 countries Zone 2 Get 30 minutes to Zone 2 countries* Full details
Same price at Coles