I experiment with making "samurai armor" out of convention badges by sewing them on an old shirt.
Making "potions" for Dungeons & Dragons using clear resin, acrylic paint, and other fun stuff.
Wherein I build most of a wooden stand for puppets.
Wiring up a ball that electronically "rolls dice." Couldn't get the code to work; that's for part 2.
Assembling the Nintendo Labo Robot kit! Full assembly in 3 hours.