Here is a shulker box unloader(works with empty shulker boxes) : r/redstone
How To Make A Shulker Box In Minecraft? — GeekyFlow
Shulker Box – Minecraft Wiki
Amazon.com: Minecraft Mini Mining Set, Elementals # 11, Attacking Shulker Mini Figure with Moldable Sand for Added Creativity, Environment Accessory, Creative, Hands-on Biome Build Toy, Gift for Fans : Toys & Games
Amazon.com: Build a Bigger World of Minecraft Figures : Toys & Games