To participate: BRING any 700g tin/pack and above of any non-Dumex product (follow-up/growing-up formula)* PURCHASE a 900g tin of Mamil Gold PreciNutri Step 2, 3, or 4* Get another 900g tin of the same for FREE* Available at the following retailers: 21 July 2012, 12pm-4pm 22 July 2012, 12pm-4pm Shop N Save Shop N Save Shop N Save Shop N Save No....