Interactivos?09 = Rainbows Progress = April 21

I am now reading about prisms and light.

The pump is now connected under the shelf, its hanging and turns really nicely and does not jerk the unit around. Users can turn the crank quite fast and inside things remain stable. With heavy things such as the battery in the bottom, we should ahve no stability problem even when the unit is on wheels. We'll have to make one side a door so that its easy to reach the bottle to remove it and fill it up.
Water pipe coming up through the shelf into the top rainbow environment.
The physical functions.
1st arduino games, making the relay work.

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