Instructables
Picture of animated truck conveyor belt gift box
Every year my family has a contest to see who can make the best gift wrapping job.  My little nephew LOVES trucks and construction equipment.  So I figured I would make some trucks drive around on the lid of a box for him.  I went through a few ideas and bounced some ideas off of my friend Ben.  We came up with the idea of dragging the trucks around with magnets.  Now anyone can make stuff go in a circle.  I wanted to up the ante a bit and have the trucks drive a serpentine path.  I came up with the idea of using scotch tape as a conveyor belt.

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Step 1: Materials

Foam core board- you can buy this from $1.25 to $7.00 per sheet so shop around.
Poster board- wal mart 97 cents per sheet.
foam sheets (for trees and fish) $1 for a bag of assorted colours
exacto knife
scissors
rubber band
3 toy trucks $1
clear tape
patience (not pictured because I used it all up)
some sort of motor / gear / wheel system
battery holder



Step 2: The road and grass

Picture of the road and grass
I started out by taping some sheets of paper together, laying them over the foam board and tracing out the shape that I wanted the conveyor belt to follow.  I cut this out and it became the template for several layers in this build.  Using the template I made a road from black poster board.  This was glued to green poster board which was glued to foam board.  The template was used to cut all this into two pieces, an inside and an outside and the gap between the two was widened to allow the pushers to come up through.
 
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louiscarter4 years ago
amazingly engineered using the motors and all. but have you seen these.

http://www.youtube.com/watch?v=6A6VvV8GiUw

These trucks drive around paths marked out in black using sensors on the underside and cost about £3 on ebay.

may have made this a lot easyer for you. would have LOVED my presents wrapped like this this year.
l8nite4 years ago
 This is really cool !
 that shoulda been the present! lol
Wasagi4 years ago
 Excellent Job! I think that the box may have been more entertaining than what was inside it...
dave spencer (author)  Wasagi4 years ago
For sure!  It was just an extra large coloring book in the box.  The box was very well received.
 Hahaha

Great job!
Jayefuu4 years ago
Incredible. Good job =]