A boomerang with three wings that glows in the dark.

When the sun heats the airship, the air inside heats up so much that it expands. As if by magic, the airship begins to float in the air and rises to a height of 30 meters.

• airship
• thread and reel
• instructions and interesting information

The prism divides sunlight into its spectral colors - red, orange, yellow, green, blue, indigo and purple.

• glass prism
• interesting information
• sample experiments