The DIY club’s tree house plan is moving ahead. The items they made are selling, so they’ll soon have the money they need. With the club’s input, Serufu draws concept art to base the blueprints on, but no one has drafted anything this big before!
The size, an understanding 
of the materials needed,
الحجم وفهم شامل بالموادّ المطلوبة
Um Größe und benötigte
Materialmenge abzuschätzen,
El tamaño,
los materiales necesarios
El tamaño,
los materiales necesarios
On a besoin des plans de la cabane
Le dimensioni, 
una stima dei materiali necessari,
O tamanho, a lista dos
materiais necessários,
Размер, необходимые материалы,