Excellent and mystifying device.
Frank Odds. 9/27/2017 at 11h33 Review collected by Feefo
The atricles are of high quality, very good described and explained and demonstrated in videos.
Marietta Penz. 9/27/2017 at 11h32 Review collected by Feefo
Very wizzy and colourful. A great toy.
James Abbott. 9/27/2017 at 11h32 Review collected by Feefo
I received the Spinning Top and it is very good add to my collection.
Stanislav Tvrdik. 9/27/2017 at 11h32 Review collected by Feefo
BEN ZVI. 9/27/2017 at 11h32 Review collected by Feefo
Great demonstration of conservation of rotational momentum.
Lukas Schaffner. 9/27/2017 at 11h32 Review collected by Feefo
All OK.
Luigi Vindice. 9/27/2017 at 11h31 Review collected by Feefo