Target offers the Play-Doh Sweet Shoppe Double Desserts Playset, model no. A5013, for $9.99 with free shipping. (Amazon charges the same with free shipping for Prime members.) That's the lowest total price we could find by $6. It includes two tubs of Play-Doh modelling compound, two tubs of Play-Doh Plus compound, an oven, molds, and serving accessories.
Walmart offers the Play-Doh Disney Princess Aurora Magical Designs Palace Set for $13.99. (Target charges the same via pickup, and Amazon offers it for the same price for Prime members.) Opt for in-store pickup to dodge the $4.97 shipping fee. That's the lowest price we could find by $2, although most merchants charge $20 or more. It includes four cans of Play-Doh modeling compound.