Crazy Ice Bubbles is a unique formula that begins to freeze at minus 7 Celcius 12 Fahrenheit for endless outdoor fun! You can use them in spring and fall temperatures as they are fun anytime. Every time these bubbles freeze, they look a little different, like a snowflake. Non-toxic and made for outdoor use. Allows kids to be outside and active in colder months. Includes 3.5oz Bubble SolutionÂ