Keep an eye out at Chiang Dao Market — you're bound to discover some unique curio among the stalls here. After you've had a thorough browse of things, enjoy a meal from one of the nearby food vendors.
Located in Chiang Dao, this community marketplace is well worth including on your itinerary. But you'll find lots more to explore in this area. Chiang Dao Cave, Doi Chiang Dao, and Chiang Dao Hot Spring aren't too far from Chiang Dao Market.