Square Grouper Sunday Driver flower available by the gram. Sunday Driver is a cross between Fruity Pebbles OG x Grape Pie. This Square Grouper favorite has been around since the beginning. Sweet and skunky aroma with a touch of dank. Very uplifting effects, average total cannabinoids around 28%. Dominating terpenes are B-Caryophyllene, D-Limonene, and B-Myrcene.