Origami can be good; ONE SHEET ORIGAMI TREE v2 (Jo Nakashima) - Christmas Tree 🎄 - YouTube of the models created from different origami shapes are beautiful but obviously take a lot of time to create.
3d origami swan tutorial | DIY Paper Crafts Swan - YouTube
HTML coding and other types of coding can be learned via HTML Tutorial
Some basic web pages can be created using google sites. https://sites.google.com/classic?usp=sites_home
Learning to use a sewing machine can be quite satisfying with making drawstring bags and quilting aswell as adjustments to clothing and making gifts of pencil cases, trousers etc;
using a perforating tool for creating raffle tickets, decorations, creating notebooks How to Make a Sketchbook | DIY Coptic Stitch Bookbinding Tutorial | Sea Lemon - YouTube
weaving Beginning weaving in the round - YouTube
paracord bracelets Make a Mad Max Style Paracord Survival Bracelet THE ORIGINAL - Boredparacord.com - YouTube
Hope something helps.