Build a lego-powered submarine
If you are a lego lover just like me, here is an interesting video or even a building challenge for you. https://www.youtube.com/watch?v=tGEZApd9MMk&list=PLa92W77hzyiB9ptknzLGLEftJfS1zyoc8&index=5&t=50s
If you are a lego lover just like me, here is an interesting video or even a building challenge for you. https://www.youtube.com/watch?v=tGEZApd9MMk&list=PLa92W77hzyiB9ptknzLGLEftJfS1zyoc8&index=5&t=50s