Launch It! Challenge

Launch It! Challenge

124 Entries, 9 Prizes


Welcome to the Launch it! Challenge. We're looking for your best and most creative projects that launch up in the air or launch something in the air.

Project may include: rockets, paper airplanes, K'nex guns, shooters, bubbles, balloons, nerf and much more! Create a new Instructable showing us how you launch it and you'll be entered to win some awesome prizes!

Ready to start? Click here!


Multiple entries are accepted, but each entrant can only win one prize. Contest is open to international entries. Contest closes for entries at 11:59pm PDT, July 31.
IGLO: Identified Glowing Object

IGLO: Identified Glowing Object

by mikhalchuk in LEDs

7736 Views

Cheap/Easy Rubber Band Powered Launcher! 100m+

Cheap/Easy Rubber Band Powered Launcher! 100m+

by son of s8an in Siege Engines

18280 Views

Bottle Rocket Blast

Bottle Rocket Blast

by jid4611 in Rockets

3873 Views

How to make a Dutch Arrow (centrifugally stabilized javalin)

How to make a Dutch Arrow (centrifugally stabilized javalin)

by tledgerwood in Survival

28050 Views

Knex C.D.C.R. Mk8 (Creeping Death Crossbow Rifle)

Knex C.D.C.R. Mk8 (Creeping Death Crossbow Rifle)

by beanieostrich in LEGO & K'NEX

1275 Views

Nyan Cat Rocket

Nyan Cat Rocket

by Deadendshop34 in Rockets

22406 Views

How To Make The Turbo Cadet Paper Airplane

How To Make The Turbo Cadet Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

2780 Views

Knex Paper Airplane Launchers

Knex Paper Airplane Launchers

by Hitchtopher in LEGO & K'NEX

12917 Views

Lego NXT Machine Gun

Lego NXT Machine Gun

by Mr. Bombastopants in LEGO & K'NEX

10891 Views

Elasto-O-Matic RBG-5 - Binder Launcher

Elasto-O-Matic RBG-5 - Binder Launcher

by Greasetattoo in Woodworking

47331 Views

stick crossbow

stick crossbow

by youaremyapocalypse in Woodworking

9326 Views

How To Make The StarSpectre Paper Airplane

How To Make The StarSpectre Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

1518 Views

Poor Man's Water Rocket

Poor Man's Water Rocket

by To-Rail in Rockets

3552 Views

Knex AR-12 Prototype ll Modded

Knex AR-12 Prototype ll Modded

by Flatout Knex in LEGO & K'NEX

1265 Views

Flyies, a Flying LED Throwie Mod

Flyies, a Flying LED Throwie Mod

by killbox in LEDs

4494 Views

How To Make The Turbo Skystreak Paper Airplane

How To Make The Turbo Skystreak Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

4085 Views

Sugar rocket/ Rocket powered shopping cart!

Sugar rocket/ Rocket powered shopping cart!

by jmontello1 in Rockets

8706 Views

The New and improved chopstick crossbow

The New and improved chopstick crossbow

by cfilloux in Survival

4514 Views

The Flick

The Flick

by theflickers in Woodworking

1806 Views

Youth Center Desktop Slingshot Catapult

Youth Center Desktop Slingshot Catapult

by samaside in Office Supply Hacks

20078 Views

How to Build a Magnetic Levitating Top

How to Build a Magnetic Levitating Top

by mikhalchuk in Science

609667 Views

MP5K Lego Edition

MP5K Lego Edition

by weswert in LEGO & K'NEX

7205 Views

Knex Semi-Automatic Rifle: The KLS V.2

Knex Semi-Automatic Rifle: The KLS V.2

by Kinetic in LEGO & K'NEX

8865 Views

Knex 9-LRMS Prototype (9 Layered Removable Mag-fed Shotgun)

Knex 9-LRMS Prototype (9 Layered Removable Mag-fed Shotgun)

by beanieostrich in LEGO & K'NEX

903 Views

How to make a Crossbowgun

How to make a Crossbowgun

by dragonator in Backyard

10612 Views

How to Make an Airsoft/Paintball Landmine [HD Video Tutorial]

How to Make an Airsoft/Paintball Landmine [HD Video Tutorial]

by NightHawkInLight in Launchers

21301 Views

knex accelerator

knex accelerator

by knexinventer in LEGO & K'NEX

1291 Views

Home Made Gas Turbine/ Jet Engine Extra Large Version!!

Home Made Gas Turbine/ Jet Engine Extra Large Version!!

by brendonl in Metalworking

39811 Views

Mentos-and-Coke Propelled Skateboard

Mentos-and-Coke Propelled Skateboard

by dark_blast in Skateboarding

14397 Views

Android-Controlled Pneumatic Cannon Powered By Arduino

Android-Controlled Pneumatic Cannon Powered By Arduino

by zachrattner in Arduino

38815 Views

How To Make The Orion Paper Airplane

How To Make The Orion Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

5502 Views

Knex AR-20 Prototype IV (How to Build)

Knex AR-20 Prototype IV (How to Build)

by beanieostrich in LEGO & K'NEX

1261 Views

Knex LS-8 (Logical Shotgun) Prototype (How to Build)

Knex LS-8 (Logical Shotgun) Prototype (How to Build)

by beanieostrich in LEGO & K'NEX

1395 Views

Knex LS-8 (Logical Shotgun) Prototype

Knex LS-8 (Logical Shotgun) Prototype

by beanieostrich in LEGO & K'NEX

896 Views

Solar Hot Air Balloon Message-in-a-Bottle

Solar Hot Air Balloon Message-in-a-Bottle

by crrdlx in Kites

32112 Views

Knex AR-18 Prototype III

Knex AR-18 Prototype III

by beanieostrich in LEGO & K'NEX

1258 Views

Knex C.D.C.R. Mk7 (Creeping Death Crossbow Rifle)

Knex C.D.C.R. Mk7 (Creeping Death Crossbow Rifle)

by beanieostrich in LEGO & K'NEX

1257 Views

Screwed Scientists' Air Cannon

Screwed Scientists' Air Cannon

by The Screwed Scientists in Rockets

2258 Views

Airsoft LAW rocket launcher Tutorial Video

Airsoft LAW rocket launcher Tutorial Video

by MrTinkerer in Launchers

8227 Views

Deprecated

Deprecated

by ilpug in Office Supply Hacks

7214 Views

Build Magic BB-Shooting Wands

Build Magic BB-Shooting Wands

by Diyified in Costumes & Cosplay

11468 Views

Knex M4/AR15 Version 2

Knex M4/AR15 Version 2

by Raz1r Knex Bull3t in LEGO & K'NEX

3493 Views

My Personalized Knex WASP

My Personalized Knex WASP

by Raz1r Knex Bull3t in LEGO & K'NEX

2369 Views

High powered cannon/ spud gun !!

High powered cannon/ spud gun !!

by brendonl in Metalworking

30383 Views

How To Make The Starstriker Paper Airplane

How To Make The Starstriker Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

20988 Views

How to Build the Ultimate Survival Shotgun

How to Build the Ultimate Survival Shotgun

by willowhavenoutdoor in Survival

718147 Views

How To Make The Super Harrier Paper Airplane

How To Make The Super Harrier Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

3255 Views

How to Make Hand Gliders

How to Make Hand Gliders

by divad135 in Office Supply Hacks

64831 Views

EMP HDD Launcher, [HD Video]

EMP HDD Launcher, [HD Video]

by eXtremeSomething in Science

12109 Views

Super Awesome Rocket Car!

Super Awesome Rocket Car!

by AIMakerspace in Toys & Games

2117 Views

ONE cOol pAPEr PlaNe

ONE cOol pAPEr PlaNe

by johnsamisoni in Rockets

994 Views

Most realiable paper glider

Most realiable paper glider

by cobalt420 in Office Supply Hacks

2084 Views

Hell plane

Hell plane

by robertel in Office Supply Hacks

986 Views

UKP V2

UKP V2

by osi in LEGO & K'NEX

1693 Views

How To Make The Jayhawk Paper Airplane

How To Make The Jayhawk Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

3204 Views

wooden crossbow/slingshot

wooden crossbow/slingshot

by determinatorexterminator in Woodworking

4594 Views

wooden pistol crossbow

wooden pistol crossbow

by determinatorexterminator in Woodworking

9563 Views

Humans vs Zombies Marshmallow Gun

Humans vs Zombies Marshmallow Gun

by csiebe in Toys & Games

3312 Views

Tampon Launcher!

Tampon Launcher!

by dgonzalez4 in Siege Engines

5633 Views

How To Make The Super Kingfisher Paper Airplane

How To Make The Super Kingfisher Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

4226 Views

Build a USB Orange Thrower Machine

Build a USB Orange Thrower Machine

by XicoMBD in Arduino

3715 Views

My cardboard airplane

My cardboard airplane

by bakermiro in Office Supply Hacks

2574 Views

How To Make The Strike Hammerhead Paper Airplane

How To Make The Strike Hammerhead Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

2647 Views

paper glider

paper glider

by determinatorexterminator in Paper

1329 Views

Steampunk Sky Raider Jetpack With MP3, LEDs & Fog Machine

Steampunk Sky Raider Jetpack With MP3, LEDs & Fog Machine

by aeshem in Costumes & Cosplay

32138 Views

motorized bike burnout!!! amazing :)

motorized bike burnout!!! amazing :)

by BIGHAIRYDUDE in Bikes

4476 Views

How To Make The Stinger Paper Airplane

How To Make The Stinger Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

3766 Views

Pedal Powered Sling Shot

Pedal Powered Sling Shot

by CreightonDesign in Siege Engines

3577 Views

Jumping Paper Clips

Jumping Paper Clips

by benbar12 in Office Supply Hacks

4361 Views

Paper Space Shuttle

Paper Space Shuttle

by pmet in Office Supply Hacks

42868 Views

My version of The Dunkis' UMP 45 with auto reset pin pull

My version of The Dunkis' UMP 45 with auto reset pin pull

by chopstx in LEGO & K'NEX

3357 Views

The Kne'x catapult

The Kne'x catapult

by DogDynamo13 in LEGO & K'NEX

2448 Views

How To Make The Cardinal Paper Airplane

How To Make The Cardinal Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

7963 Views

The Underwearapult

The Underwearapult

by patriots8888 in Siege Engines

1817 Views

DIY dart blowgun and darts

DIY dart blowgun and darts

by Stercorarius in Rockets

12089 Views

"The Insensible" - a counterweight trebuchet

"The Insensible" - a counterweight trebuchet

by squiggy2 in Siege Engines

70755 Views

Night Finder Mod

Night Finder Mod

by sithlil in Launchers

2687 Views

Launch it the pool shot

Launch it the pool shot

by cobalt420 in Toys & Games

1955 Views

Lego Tec-9

Lego Tec-9

by weswert in LEGO & K'NEX

10477 Views

Knex Micro Gun

Knex Micro Gun

by jimopertrat in LEGO & K'NEX

1435 Views

altoid coil gun

altoid coil gun

by sunal135 in Electronics

18065 Views

how to make a bow and arrow(traditionly)

how to make a bow and arrow(traditionly)

by sanagol in Woodworking

18030 Views

Easy PVC Pistons + Simple Airgun

Easy PVC Pistons + Simple Airgun

by fozzy13 in Toys & Games

89276 Views

The Compton

The Compton

by jawlecks in LEGO & K'NEX

1695 Views

Uberstix Catapult

Uberstix Catapult

by alarson3 in Siege Engines

3275 Views

How To Make The Javelin Paper Airplane

How To Make The Javelin Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

8093 Views

"Blunt-force trauma" darts

"Blunt-force trauma" darts

by Llama Nerds in Siege Engines

4090 Views

Make a Vacuum-cleaner Bazooka

Make a Vacuum-cleaner Bazooka

by ynze in Rockets

83083 Views

How to make a Balsawood Airplane

How to make a Balsawood Airplane

by RichsMethods in Office Supply Hacks

23646 Views

Baseball practice pad

Baseball practice pad

by cobalt420 in Sports

3568 Views

How To Make The Manta Paper Airplane

How To Make The Manta Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

5424 Views

How To Make The Hawk Paper Airplane

How To Make The Hawk Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

3668 Views

Magnetic Coil Gun!

Magnetic Coil Gun!

by 115494 in Electronics

21416 Views

pencil crossbow

pencil crossbow

by chimp022 in Siege Engines

10066 Views

5 Second Binder Clip Launcher

5 Second Binder Clip Launcher

by Passionately Curious in Office Supply Hacks

8674 Views

How To Make The HyperSpectre Paper Airplane

How To Make The HyperSpectre Paper Airplane

by OrigamiAirEnforcer in Office Supply Hacks

3413 Views

The Porta-Pault Water Baloon Launcher (update!)

The Porta-Pault Water Baloon Launcher (update!)

by That One Eegit in Siege Engines

2487 Views

Rover transforming rocket

Rover transforming rocket

by mbindhammer in Robots

1939 Views

My Camo Catapult

My Camo Catapult

by funnydan in Woodworking

1948 Views