A balloon stays cool above fire (Netherlands 2015)

20 July (Netherlands ) within release The Discover Science goes into circulation Stamp A balloon stays cool above fire face value 1 No Face Value

Stamp A balloon stays cool above fire in catalogues
Colnect codes:	Col:NL 2015-118

Stamp is horizontal format.

Also in the issue The Discover Science:

• Stamp - Lemons can generate electricity face value 1;
• Stamp - A glass of water can bend a pencil face value 1;
• Stamp - A balloon can give light face value 1;
• Souvenir Sheet - The Discover Science face value 10*1;
• Stamp - A balloon stays cool above fire face value 1;
• Stamp - An egg squeezes through the narrow neck of a bottle face value 1;