Full set includes #1 Accessory kit, #3 Acccessory kit, LED light caps.
#2 accessory kit is the default setting already installed on yo-yo.
The LOOP2020 is the next generation of looping tech from YoYoFactory, designed to accommodate the evolution of the skills of the player with carefully designed parts to fine tune the Yo-Yo’s performance. Everything is adjustable. Weight, response, speed and spin time. Next generation design for the next generation of players. Focused on performance.
The default setting is meant for a good balance between looping responsiveness and also long sleeps, using the #2 axle, #2 starbursts, and white spacers. The 2020 performs great out of the box, but if you want to tweak the playfeel all you need is to start experimenting, there are a LOT of possible settings to create.