(FoxNews) - Harvest season is in full swing in California wine country, and this year’s long winter and untimely rains in the recent forecast have winery workers hustling to get grapes off the vine and into fermentation tanks. But inside the spacious AVA Room of Napa Valley’s Conn Creek Winery, it’s all sniffs, sips and smiles as the AVA Room Barrel Blending Experience gets flowing. This hands-on, twice-daily class lets visitors create their very own bottle of wine, which they then cork and label themselves.