What is SimpleSumo? SimpleSumo is an awesome little open source robot which allows anyone to build their very own mini-sumo robot with no prior knowledge in robotics at a price point that almost anyone can afford. Who is SimpleSumo For? Intended for small groups, ages 10+, this kit is targeted towards...

Not up for building a wood ring? Pick up your own competition poster here printed in full color on 36" x 36" gloss photo paper. Shipped as a roll (not folded so no creases!) in a reusable cardboard storage box.

This kit contains the Assembled 3D Printed AND Hardware parts needed to build the award winning Bicycle BoosterPack MINI as seen on EngineerDog.com & Instructables.com . This kit contains 52 total parts (29 unique parts as listed), with is everything you need to build a mini BoosterPack aside from the...

The 3D Printer Low Filament Alarm is a simple tool born out of necessity. This device makes noise when you are about to run out of filament to alert you to the situation. This is insurance against running out during a print job and can help you make use of the last bit of filament on a roll. This is...

This listing is for the Hardware + 3D Printed Parts needed to build the complete full version of the Bicycle BoosterPack as seen on Instructables.com . The full kit contains all of the parts above photographed parts exactly as shown (but in black). Due to the highly configurable nature of the product,...

This 3D printed planetary gear light switch cover is a functional decorative item that any gearhead would love. Great for keeping at the entrance to a workshop, man-cave, or garage. The assembled device measures 6.25 in diameter, make sure it fits on your wall before you order! Switch covers can be made...

Each SimpleSumo robot uses two of these servos to drive the wheels. While they are durable little devices, they can break if you manually crunch the gears back and forth or if you hold the output shaft still while the motor is moving. Its always good to have a spare! The FS90R is a micro-sized servo...

Every SimpleSumo robot uses this ultrasonic sensor as its primary means of finding the enemy. The HC-SR04 is a commonly used sensor on robots of this type because it is easy to use, cheap, and effective. And of course because it looks like a pair of eyes. Technical Specs: Working Voltage: 5 VDC Working...

Each SimpleSumo robot uses 3 of these to find the edges of the sumo ring. (The standard line follower upgrade calls for 5 of these.) This module is a self contained tool that uses infrared light to detect the presence of light or dark surfaces in close proximity. It can output digital or analog signal...

This servo can move to precisely controlled positions between 0 and 180 degrees. It is used on many SimpleSumo Accessory expansion packs. Warning: While they are durable little devices, they can break if you manually crunch the gears back and forth or if you hold the output shaft still while the motor...