Mama Bird Box Coupon: Free Gift With First Box! Posted by Brandy on February 8, 2017. Subscription Box Coupons & Deals / Mama Bird Box Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Mama Bird Box has a special surprise this month for new subscribers! Use coupon code EXTRALOVE to get a FREE Valentine’s gift in mama’s first box! Order by Friday 2/10 for Valentine’s Day delivery.