Our classic inflatable goo model kit just got better squeeze out a small ball of glow in the dark magic plastic gel and then stick it on the tip of the blow pipe included with the set gently blow through the mouthpiece to form an impressive persistent plastic balloon repeat the process to create more shapes that you can then stick together to make amazing balloon models once you39ve made your masterpiece flick off the lights and watch it glow an eerie green through the darkness you can