I Built a HUGE Lego Railway - Up Stairs & Underwater!

I Built a HUGE Lego Railway - Up Stairs & Underwater!

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I built a 100m Lego train track around my entire house and garden, including up the stairs, through a swimming pool, through a light tunnel, and through a rainforest dome.

Merch: https://halfasleepchris.com

Geodesic Dome Tutorial: https://www.youtube.com/watch?v=Ym1388CcwuQ