Scrawlrbox Referral Codes via Chums
Chu's Scrawlrbox referral code
Scrawlrbox is well-curated and is based in the UK. If you're in the USA, there's an additional 5 GBP for shipping and it takes about 2 weeks to receive the box. However, they have a very active community of artists of varying levels and a Scrawlr Points reward system. The referral code gets you 3 GBP off your first subscription.