1) Register an account with us here https://samplequeen.sg
2) Go to "My Account" page and top up credit into your account.
3) Choose the product you fancy and scan your personalised QR code to purchase.
$1 = 1 Credit. There is a minimum top up of $5.
53 Ang Mo Kio Ave 3, Ang Mo Kio Hub, Singapore 569933 Level 4 (beside cinema)