Do you believe that all bubbles are round. If so, you"re in for a shock, because you can also make square bubbles or even bubbles in the shape of a triangle. You can also combine two small bubbles into one larger bubble, blow bubbles inside other bubbles and much more. Features include: •Licensed by the Boy Scouts of America •Mind Crafts Activity Kits assist Cub Scouts to achieve belt loops and pins •Make bubbles of all sizes and even learn how to make a square bubble and everything you need, including concentrate and blowing straws •No batteries needed •Illustrated assembly instructions