One Day Only Naturebox Deal: 3 Free Snacks! Last updated by Hello Subscription on April 17, 2017. Subscription Box Coupons & Deals / Naturebox Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Today only get 3 free snacks with a $20 NatureBox Club order when you use coupon code LUCKY3. The membership for NatureBox Club is $5 per month, which is waived for the first month on this deal. Note that the monthly membership fee is credited against your purchases.