This event is available for players above Adventure Rank 12. During this event period, the trader NPC Liben will appear in various locations across Teyvat each day. Once you find him, you can give him the required material for that day, and you will then be able to claim one box.
The event lasts for 7 days, and there are 7 different boxes, so be sure not to miss a day to get free items! Additionally, there is 1 Battle Pass mission where you have to give the materials to Liben 5 times.
Event Duration (Asia Server Time)
2020-10-26 04:00:00 - 2020-11-02 03:59:59
After submitting his requested item, you get to choose a box, once a day. Each boxes comes with 30 Primogems and some other materials.
The last day of Marvelous Merchandise event, Liben is in Liyue that's just after the bridge going into the city. You can jump down from the west teleport waypoint and reach him pretty quickly. The last requested item is 10 radish.
Liben is in the small resting area that's close to the Statue of the Seven - Geo, just north of Liyue Harbor. The requested item of the day is 10 carrots.
Liben is in the main area on the ground floor of Wangshu Inn. The item of the day is 10 Apples.
When you teleport to the Stone Gate teleport waypoint, turn to the right and keep going down and you will see Liben near Pops Zhou. The requested item of the day is 10 Sunsettias.
Liben is in Dawn Winery, close to the main entrance of the building, and the requested item of the day is 10 Berries.
Liben is in Springvale near a house that's close to a windmill. He requests 10 Pinecones.
Liben appears in Mondstadt, near the gate entrance and close to the flower shop. The required item is 10 Mushrooms.