This bubble set allows you to make durable, touchable bubbles that everyone will love. Just use the screw-top bubble wand to make your bubbles and be amazed as you stack them, link them, or build 3D bubble structures. These bubbles last longer and resist typical breakage that normal bubbles are prone to. The screw-top bubble wand allows you to store the special bubble solution safely when not in use. Recommended for ages 3 and up.*Challenge your children's imaginations and keep them active with Toysmith. Test tube is 4.5" tall. Contains.75 ounces of solution.  Ages 3 and up, assorted colors.