The summary is:
The speaker is opening a giant dinosaur egg full of surprises, such as slime, sand, stickers and a dinosaur toy that roars and lights up. He experiments with the different materials and shows how they glow in the dark. He invites the viewers to like, comment and subscribe to his channel.
Here are the key facts extracted from the text:
1. The text is a transcript of a video where the speaker opens a giant dinosaur egg full of surprises.
2. The egg contains a device that emits lights and sounds, a dinosaur toy that can be assembled from different parts, and various kinds of slime, sand, and foam.
3. The speaker performs some experiments with the slime, sand, and foam, such as making a volcano erupt and shining an ultraviolet light on them.
4. The speaker asks the viewers to like, comment, and subscribe to his channel at the end of the video.