Crayola CIY Box Coupon: Get $10 Off! Posted by Hello Subscription on April 19, 2019. Subscription Box Coupons & Deals / Crayola CIY Box Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Crayola CIY Box has a new sale! Save $10 on your first box! Use the coupon code SAVE10 to subscribe! Save $10 on Crayola CIY Box! Here’s how this subscription works: Here’s a peek of what you can get: Here are some of the projects: Are you getting Crayola® CIY Box™?