3 years & up. Make strong, long lasting and versatile bubbles! This special Bubbles Concentrate allows children to create bubbles of different shapes and sizes that hold up to movement and more. Mix one part concentrate with three parts water and let rest overnight. Includes: 3 Packs of Bubble Concentrate: Each pack has 500ml (16 fluid oz.) of concentrate which makes up to 2 liters (2 quarts) of solution. Bucket shown is not included.