Fill the bottle with spirit of your choice such as vodka, white rum, bourbon or gin. Steep according to package instructions. Chill or freeze. Can be enjoyed right out of the bottle or in a cocktail. One bottle makes 8 cocktails. Infusion kit include collapsible funnel.  Try The Druid:

• 1.5 oz Blueberry Lavender infused vodka
• 1.5 oz lemonade
• 2 drop honey
• splash of Sprite
• 3-4 muddled mint leaves plus 1 to garnish