I built the new Lego minifigure series a MASSIVE train with custom interiors to ride around a giant LEGO theme park! But as the passengers start suspiciously disappearing... can you solve the LEGO mystery before it's too late? If you liked this video, you'll love our LEGO Muppets episode: youtu.be/GQK2vR8wGUw 🚂 Behind-the-scenes look at the train layout setup: youtu.be/pzgZu3-q1-Y 🎖 EXCLUSIVE unboxing videos and sneak peaks: youtube.com/c/TheB3/join 📸 Behind-the-scenes updates: instagram.com/The_B3_ 👾 Chat with me and our community: discord.gg/UbqkW6Q6BS 🐦 Become a better builder: twitter.com/The_B3_ 🛒 Shop for great LEGO deals! amazon.com/shop/theb3 2️⃣ Second Channel: youtube.com/c/The3B LEGO Shop-at-Home website: 🇺🇸▶bit.ly/3AmSA2L 🇬🇧▶bit.ly/3unDDJU 🇨🇦▶bit.ly/3OK3HXL 🇦🇺▶bit.ly/3at2oxx (Links may be affiliate and buying something gives me a small commission at no additional cost to you. Thanks fo...