Bars, Tarts, and Clamshells Candle Bars are simple. Just snap and melt! Press the bottom of the Clamshell, pop it out! 3 bars totaling 5oz. or more. Take the Tart, place it in, and let the burner do its thing! 7-8 tarts totaling 5oz. or more. 6 cube clamshell totaling 2.5oz. or more. Looking for something specific? All / Seasonal All Bars Tarts Clamshells Seasonal