# Magical Cardboard Craft Obsidian Sword

## Overview

## Luminous Weaponry

This guide takes you through the process of creating your own fantasy weapon that begins to glow as soon as you pick it up.

The design for this sword is taken from the Cartoon Network animated series 'Steven Universe'. 

![](https://cdn-learn.adafruit.com/assets/assets/000/081/009/medium800/makecode_IMG_7481.jpg?1568748559)

### Circuit Playground Express

[Circuit Playground Express](https://www.adafruit.com/product/3333)
 **Circuit Playground Express** is the next step towards a perfect introduction to electronics and programming. We've taken the original Circuit Playground Classic and made it even better! Not only did we pack even more sensors in, we also made it even easier to...

In Stock
[Buy Now](https://www.adafruit.com/product/3333)
[Related Guides to the Product](https://learn.adafruit.com/products/3333/guides)
![A Black woman's manicured hand holds a round microcontroller with lit up LEDs.](https://cdn-shop.adafruit.com/640x480/3333-05.jpg)

### Adafruit Circuit Playground Express or Bluefruit Enclosure

[Adafruit Circuit Playground Express or Bluefruit Enclosure](https://www.adafruit.com/product/3915)
We've got nice cases for many of our beloved boards, but the [Circuit Playground Express](https://www.adafruit.com/product/3333) and [Circuit Playground Bluefruit](https://www.adafruit.com/product/4333) has been left out of couture enclosure...

Out of Stock
[Buy Now](https://www.adafruit.com/product/3915)
[Related Guides to the Product](https://learn.adafruit.com/products/3915/guides)
![Top down view of a clear acrylic Adafruit Circuit Playground Express or Bluefruit Enclosure.](https://cdn-shop.adafruit.com/product-videos/640x480/3915-06.jpg)

### Adafruit NeoPixel LED Strip w/ Alligator Clips - 30 LEDs/meter

[Adafruit NeoPixel LED Strip w/ Alligator Clips - 30 LEDs/meter](https://www.adafruit.com/product/3812)
Adding glowy color to your projects has never been easier: no more soldering or stripping wires, clip 'em on and glow! This **Adafruit NeoPixel LED Strip with Alligator Clips** has **30 total LEDs in a "30 LED per meter" spacing** , and is 1 meter long,...

In Stock
[Buy Now](https://www.adafruit.com/product/3812)
[Related Guides to the Product](https://learn.adafruit.com/products/3812/guides)
![Adafruit NeoPixel LED 1 meter Strip with Alligator Clips wired to Circuit Playground, lighting up rainbow](https://cdn-shop.adafruit.com/product-videos/640x480/3812-06.jpg)

### Conductive Nylon Fabric Tape - 8mm Wide x 10 meters long

[Conductive Nylon Fabric Tape - 8mm Wide x 10 meters long](https://www.adafruit.com/product/3960)
With our fun assortment of [conductive materials](https://www.adafruit.com/category/190), [cosplay](https://www.adafruit.com/index.php?main_page=category&cPath=290) and [wearables](https://www.adafruit.com/category/65) have never been easier to...

In Stock
[Buy Now](https://www.adafruit.com/product/3960)
[Related Guides to the Product](https://learn.adafruit.com/products/3960/guides)
![Conductive Nylon Fabric Tape - 8mm Wide](https://cdn-shop.adafruit.com/640x480/3960-00.jpg)

### USB cable - USB A to Micro-B

[USB cable - USB A to Micro-B](https://www.adafruit.com/product/592)
This here is your standard A to micro-B USB cable, for USB 1.1 or 2.0. Perfect for connecting a PC to your Metro, Feather, Raspberry Pi or other dev-board or microcontroller

Approximately 3 feet / 1 meter long

Out of Stock
[Buy Now](https://www.adafruit.com/product/592)
[Related Guides to the Product](https://learn.adafruit.com/products/592/guides)
![USB cable - USB A to Micro-B - 3 foot long](https://cdn-shop.adafruit.com/640x480/592-01.jpg)

## Other Materials

In addition to the electronics, for this project you will need:

- Scrap cardboard
- Scissors and/or box cutter
- [Hot glue gun](https://www.amazon.com/dp/B006IY359K/ref=cm_sw_r_tw_dp_U_x_K0DeCbCR4A6B5)
- [Hot glue sticks](https://www.amazon.com/Surebonder-PRO2-100-Watt-High-Temperature/dp/B00627G6QC/ref=sr_1_6?s=hi&ie=UTF8&qid=1548380526&sr=1-6&keywords=10+inch+glue+sticks) 

Read on to learn how to build your own!

![](https://cdn-learn.adafruit.com/assets/assets/000/081/011/medium800thumb/makecode_pick_up.2019-09-17_15_06_28.jpg?1568748594)

- [Next Page](https://learn.adafruit.com/cardboard-obsidian-sword/circuit-diagram.md)

## Featured Products

### Circuit Playground Express

[Circuit Playground Express](https://www.adafruit.com/product/3333)
 **Circuit Playground Express** is the next step towards a perfect introduction to electronics and programming. We've taken the original Circuit Playground Classic and made it even better! Not only did we pack even more sensors in, we also made it even easier to...

In Stock
[Buy Now](https://www.adafruit.com/product/3333)
[Related Guides to the Product](https://learn.adafruit.com/products/3333/guides)
### Adafruit Circuit Playground Express or Bluefruit Enclosure

[Adafruit Circuit Playground Express or Bluefruit Enclosure](https://www.adafruit.com/product/3915)
We've got nice cases for many of our beloved boards, but the [Circuit Playground Express](https://www.adafruit.com/product/3333) and [Circuit Playground Bluefruit](https://www.adafruit.com/product/4333) has been left out of couture enclosure...

Out of Stock
[Buy Now](https://www.adafruit.com/product/3915)
[Related Guides to the Product](https://learn.adafruit.com/products/3915/guides)
### USB cable - USB A to Micro-B

[USB cable - USB A to Micro-B](https://www.adafruit.com/product/592)
This here is your standard A to micro-B USB cable, for USB 1.1 or 2.0. Perfect for connecting a PC to your Metro, Feather, Raspberry Pi or other dev-board or microcontroller

Approximately 3 feet / 1 meter long

Out of Stock
[Buy Now](https://www.adafruit.com/product/592)
[Related Guides to the Product](https://learn.adafruit.com/products/592/guides)
### 3 x AAA Battery Holder with On/Off Switch and 2-Pin JST

[3 x AAA Battery Holder with On/Off Switch and 2-Pin JST](https://www.adafruit.com/product/727)
This battery holder connects 3 AAA batteries together in series for powering all kinds of projects. We spec'd these out because the box is slim, and 3 AAA's add up to about 3.3-4.5V, a very similar range to Lithium Ion/polymer (Li-Ion) batteries and have an on-off switch. That makes...

In Stock
[Buy Now](https://www.adafruit.com/product/727)
[Related Guides to the Product](https://learn.adafruit.com/products/727/guides)
### Alkaline AAA batteries - 3 pack

[Alkaline AAA batteries - 3 pack](https://www.adafruit.com/product/3520)
Battery power for your portable project! These batteries are good quality at a good price, and work fantastic with any of the kits or projects in the shop that use AAA's. This is a pack of **3 AAA batteries**.  
  
These batteries are Alkaline (MnO2) chemistry, with a...

In Stock
[Buy Now](https://www.adafruit.com/product/3520)
[Related Guides to the Product](https://learn.adafruit.com/products/3520/guides)
### Adafruit NeoPixel LED Strip w/ Alligator Clips - 30 LEDs/meter

[Adafruit NeoPixel LED Strip w/ Alligator Clips - 30 LEDs/meter](https://www.adafruit.com/product/3812)
Adding glowy color to your projects has never been easier: no more soldering or stripping wires, clip 'em on and glow! This **Adafruit NeoPixel LED Strip with Alligator Clips** has **30 total LEDs in a "30 LED per meter" spacing** , and is 1 meter long,...

In Stock
[Buy Now](https://www.adafruit.com/product/3812)
[Related Guides to the Product](https://learn.adafruit.com/products/3812/guides)
### Conductive Nylon Fabric Tape - 8mm Wide x 10 meters long

[Conductive Nylon Fabric Tape - 8mm Wide x 10 meters long](https://www.adafruit.com/product/3960)
With our fun assortment of [conductive materials](https://www.adafruit.com/category/190), [cosplay](https://www.adafruit.com/index.php?main_page=category&cPath=290) and [wearables](https://www.adafruit.com/category/65) have never been easier to...

In Stock
[Buy Now](https://www.adafruit.com/product/3960)
[Related Guides to the Product](https://learn.adafruit.com/products/3960/guides)
### Adafruit + Cartoon Network Cosplay Basics Kit

[Adafruit + Cartoon Network Cosplay Basics Kit](https://www.adafruit.com/product/4358)
Are you interested in making cosplay and Halloween projects with a Circuit Playground Express, but overwhelmed with what to buy? Better yet, do you love Cartoon Network characters and shows?

Here's a intermediary pack to get started, no matter your skill level. This...

No Longer Stocked
[Buy Now](https://www.adafruit.com/product/4358)
[Related Guides to the Product](https://learn.adafruit.com/products/4358/guides)

## Related Guides

- [Adafruit Circuit Playground Express](https://learn.adafruit.com/adafruit-circuit-playground-express.md)
- [Mason Jar Snow Globe](https://learn.adafruit.com/snow-globe-makecode.md)
- [Make It Glow: How to Solder NeoPixels, A Beginner's Guide](https://learn.adafruit.com/make-it-glow-how-to-solder-neopixels-a-beginners-guide.md)
- [CircuitPython Hardware: LED Backpacks & FeatherWings](https://learn.adafruit.com/micropython-hardware-led-backpacks-and-featherwings.md)
- [Circuit Playground Express Serial Communications](https://learn.adafruit.com/circuit-playground-express-serial-communications.md)
- [Mouse Painter: Emulate Mice with MakeCode ](https://learn.adafruit.com/mouse-painter-emulate-mice-with-makecode.md)
- [Infrared Hand Gesture Robot Control Glove](https://learn.adafruit.com/cpx-ir-infrared-hand-gesture-robot-control-glove.md)
- [No-Touch Hand Wash Timer for Circuit Playground Express and CLUE](https://learn.adafruit.com/no-touch-hand-wash-timer-for-cpx-and-clue.md)
- [AdaBox 006](https://learn.adafruit.com/adabox006.md)
- [NeoPixels with MakeCode](https://learn.adafruit.com/neopixels-with-makecode.md)
- [Using DS18B20 Temperature Sensor with CircuitPython](https://learn.adafruit.com/using-ds18b20-temperature-sensor-with-circuitpython.md)
- [BOSEbuild Reactive Sound ](https://learn.adafruit.com/bosebuild-reactive-sound.md)
- [CPX Glowing Disembodied Hand](https://learn.adafruit.com/cpx-glowing-disembodied-hand.md)
- [Circuit Playground Bluefruit Automatic Bike Brake Light](https://learn.adafruit.com/circuit-playground-bluefruit-brake-light.md)
- [CircuitPython I2C and SPI Under the Hood](https://learn.adafruit.com/circuitpython-basics-i2c-and-spi.md)