Then G. and Dad looked at pictures arranged in chronological order from the day he was born until now.
G. lit a candle to represent the sun. Then, carrying the globe, he walked around the "sun" - one orbit for each year he was born.
His Oma sent him some money in Swiss Francs and, after some discussion about what to buy, and a trip to the bank to have the money changed, his parents took him shopping. This is what he chose.
An eyeball kit for making and discovering all sorts of things about eyeballs.
The finished creation.