Bubble Set: Includes one large bubble tray and two large bubble wands. Large Size: Tray measures 20.5 x 2 cm, bubble wand diameter is 18.5 cm. Perfect for kids and adults to play together. Made of durable, thick plastic. Bubble Water Formula: Mix 1 spoon of sugar, 2 spoons of shower gel, 6 spoons of dish soap, and 50 ml of water. Stir well and adjust the dosage as needed. You can also buy concentrate to make your own. Easy to Use: Simply pour soap water into the tray, and large bubbles will appear as you slowly remove the bubble wand. Or, move a bubble wand dipped in bubble water against the wind to create bubbles. Wide Range of Uses: Bubble wands are perfect for outdoor use, such as parks, gardens, beaches, and more. Bubbles in the sun are more colorful and dazzling. This set also makes a great gift for children.