Circuit de boles - Ball roller coaster
Després de veure els vídeos dels concursos que fan a Estats Units (https://www.youtube.com/watch?v=qHQZcRPqUkY) vaig voler fer el meu circuit de boles. Hem fet una cinta transportadora vertical, una rampa en espiral feta de tubs de goma i unes rampes amb ziga-zaga. Ara volem fer rampa de esglaons que es mouen com uns pistons.
After watching some videos of the contests made in the United States (https://www.youtube.com/watch?v=qHQZcRPqUkY) I've decided to build my own ball roller-coaster. We have made a vertical transport belt, an spiral roller-coaster made with rubber tubes and zig-zag ramps. Now we want to build some stairs moving like pistons.
After watching some videos of the contests made in the United States (https://www.youtube.com/watch?v=qHQZcRPqUkY) I've decided to build my own ball roller-coaster. We have made a vertical transport belt, an spiral roller-coaster made with rubber tubes and zig-zag ramps. Now we want to build some stairs moving like pistons.
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