Cardboard Speed Challenge

From grocery garbage to shipping leftovers, there is cardboard surrounding us. Show us your cardboard creations (including corrugated, singly-ply tagboard, paper rolls, and more) for a chance to win a digital gift card in the Cardboard Speed Challenge.

The Cardboard Speed Challenge is closed.

Official Rules »All Contests »How to Write a Great Instructable »

Grand Prize

WINNERS

Winners Finalists All Entries

Grand Prize

Steampunk Cardboard Dragon by Tinkorlando

First Prize

Cardboard Dragon Robot by CeciliaHillway in Microcontrollers

7.6K

How to Make a Cardboard Model Dirt Bike by the making faset in Cardboard

3.7K

DinoScope: Dinosaur Periscope - Made From Cardboard! by Hey Jude in Cardboard

2.9K

Second Prize

Moving Automata Walking Buffoon by jegatheesan.soundarapandian in Cardboard

1.7K

3 Ways to Make Cardboard PinBall Sensors by TechnoChic in Sensors

36K

Medieval Ship by nml235l in Cardboard

820

Cardboard Racer by Gammawave in Cardboard

6.5K

Seed Paper From Used Cardboard Boxes by DonnaZ8 in Cardboard

2.8K

9 PRIZES

Grand Prize

One Grand Prize Winner will receive:

$250 Digital Gift Card

First Prize

Three First Prize Winners will receive:

$100 Digital Gift Card

Second Prize

Five Second Prize Winners will receive:

$50 Digital Gift Card

HOW IT WORKS

Write an Instructable

Create a new Instructable that fits the guidelines outlined in the contest description above. To be eligible, Instructables must be published between Mar 29, 2021 and Apr 12, 2021 (11:59pm PT).

Never published an Instructable?
Learn more about how it works.

Why Publish? »

Existing member, but don't have an eligible Instructable?

New Instructable »

Enter

Upon publishing your Instructable you'll see checkboxes for open contests. Select Cardboard Speed Challenge. If you have entries currently eligible for entry, it will also show up by clicking "Enter this Contest" on the right side of this page.

Accepting

Entries are accepted by Instructables staff within one business day Monday - Friday. What matters is the submission time, not acceptance time.

Judging

A panel of judges made up of Instructables staff and respected members of the community rate the finalists. The averages of the ratings determine the winners.

Winners

When the winners are decided they will be notified and announced here on the contest page.