How to make a bubble elevator

#minecraft #minecraftbuilding #fyp
What is needed to make it:
Any solid block
Water buckets
Soul sand (to go up)
Magma (to go down)
Door/Gate/sign

Things to remember:
When placing the water buckets do it on each level so all levels have bubbles

Remember to put the door/gates/signs before placing the water bucket to keep the water in

Видео How to make a bubble elevator канала Butterscotch and Megatron