Who builds and films the most astonishing and creative Rube Goldberg / Robert Storm Petersen chain reaction? Let's build ONE BIG CROSS BORDER EUROPEAN CHAIN REACTION!
Welcome on board, Stacey!Thank you for the presentation and Christmas wishes.
Merry Christmas to all you also from Spain. Your friendly human chain reaction is a good Christmas card.
Hi 8-graders from the Netherlands,Beautiful chain reaction!Zalig Kerstmis en Gelukkig Nieuwjaar van België!Cheers, Dave
Thank you, Holland, merry Christmas and good luck on the competition!Šárka
Sweet Christmas message, indeed!Lovely!Have a great Christmas!Merry Christmas, Netherlands!Croatian team!
Lovely!Merry Christmas to you,Slovenian team