Bottled Clear Sky #1
This is a simple product.
(medium vial, dimensions: 20x20x85mm, without cloud)
a) A black aluminum wall display, an L, 22x4x4cm and instructions of how to stick it on the wall.
b) A mini red laser pointer with white LED light (working with 3 button cells). You can admire the orange hue shadow and the transformation of the laser point to a line into this NASA’s “frozen smoke”, see photo. (laser pointer <5mW, Class IIIA, complies with 21CFR)
price: 100 Euros