DIY Bubble, a new generation bubble toy! Only a small piece can make two full bottle of bubble water, enjoy it ! [How to play] 1>Put one soap piece into the bottle with 80 percent of clear water. 2>Then lots of bubbles appear.Remember to keep the bottle open! 3>Just 10 mins later, you can blow bubbles with the bubble water you make .(It takes 30 mins for the soapto dissolve completely, your bubble gun also works).