Who builds and films the most astonishing and creative Rube Goldberg / Robert S. Petersen-like chain reaction in 2018? Let's build ONE BIG CROSS BORDER EUROPEAN CHAIN REACTION!
Wow! You are the masters of building book-chain-reactions!
Hi Serbia,Creative use of books!Thanks for sharing this chain with us!Kind regards,Dave from Belgium
Looks like you had lots of fun making this chain reaction.Best wishes from England
Thomas from France That was great congratulations
Wow, good chain and music!
Verry good from Tuva i kallingeskolan sweden.