Оценка 4,0 (1 356) Before you start building, plan out a design for your roller coaster. Draw your design on paper. Figure out how many supports and pieces of track you will need. Introduction · Materials · Instructions · What Happened?

Продолжительность: 2:11
Опубликовано: 8 окт. 2018 г.

First: Draw the largest circle possible on the sheet. Second: Cut out the circle. Third: Decide where the center of the paper circle is located and cut a ...

Продолжительность: 1:37
Опубликовано: 3 дек. 2021 г.

26 июл. 2018 г. · Use a pencil and ruler to draw lines dividing it into five 0.5-inch segments. Crease along these segments and then fold them into a square shape ...

Продолжительность: 0:36
Опубликовано: 16 авг. 2023 г.

Продолжительность: 4:26
Опубликовано: 14 сент. 2020 г.

Продолжительность: 4:53
Опубликовано: 7 нояб. 2020 г.

The base can be as long as 30 inches or as short as 21 inches. The base must be 12 inches wide -no less, no more. These dimensions have been chosen to make ...