Do you know that in the last century there was an agricultural jet series produced in Poland and actually those jets were working???? Imagine this - jet over a field of corn... max speed 200 km/h

It is simple physics. I love to do it with my daughter - school staff is so boring. So - how to do it? Simple - put a paper on top of the glass, flip, place on table, gently remove paper.

is to be expected. / spodziewane Including army on the streets ;-))) / łącznie z kawalerią na ulicach we are used to fight for freedom including financial oppresions Nasz Naród jest zwyczajny walczyć o

it is great adventure to print objects! I simply love it