8Th Grade Roller Coaster Project 2014

Made from 1/4 poly tubing from Home Depot. 25ft for $3.
Tamiya Planetary Gearbox Set.
1 1/4 inch bright finishing nails.
Scrap pine wood.
Wooden dowel
2x2's and scraps of 2x4
Screws, duct tape and other odds and ends.

This is a link to my older brothers project he did a couple of years ago.
School Roller Coaster Project 2012.mp4

• #education
• #roller_coaster_project
• #school_project
• #marble_machine
• #marble_coaster
• #roller_coaster_project_physics
• #physics