A Cotton Swab Shooter made of plastic straw, plastic bottle, cotton Swabs. Longer straw is more powerful, because of longer straw offers more acceleration time. If you try this, you …
In geometry, an Icosahedron is a regular polyhedron with 20 identical equilateral triangular faces, 30 edges and 12 vertices. It is one of the five Platonic solids. You will need …