This is the fun part! Earn points and receive a coupon to spend on a future purchase:
150 points = 5€ coupon
300 points = 10€ coupon
450 points = 15€ coupon
600 points = 20€ coupon
150 points = 5€ coupon
300 points = 10€ coupon
450 points = 15€ coupon
600 points = 20€ coupon