A KICKSTARTER SUPERSTAR - This patented marble racetrack is the most backed Kickstarter magnetic super puzzle of all time! Each track and trick has its own unique properties—just move them around to adjust or add exciting new pathways!
DESIGN, BUILD, TEST, CREATE - This wildly creative super puzzle includes a motorized marble lift, 70 tracks & connectors, 32 trick pieces, 25 marbles and more for infinite building combinations and endless amounts of creative fun!
BUILD ANYWHERE MAGNETS STICK - This STEM marble maze for kids and adults can be built on any vertical magnetic surface like the fridge, lockers, whiteboards, workbenches & more!
BUILDING YOUR MAZE IS EASY - The secure snap-fit connectors eliminate frustration to keep you creative, with detailed instructions highlighting how to use each piece, and a Learning Guide that teaches about physics and engineering.

The Universal 4 Pin Buckled Cable is made for the Grove System to connect all of the Twigs to the Stem - Basic Shield or to other Twig compatible boards for quick prototyping.

The Universal 4 Pin Buckled Cable is made for the Grove System to connect all of the Twigs to the Stem - Basic Shield or to other Twig compatible boards for quick prototyping.

The 20cm cable is in default included in the Grove - Starter Kit.

The Universal 4 Pin Buckled Cable is made for the Grove System to connect all of the Twigs to the Stem - Basic Shield or to other Twig compatible boards for quick prototyping.

The 5cm short cable could be especially used in those space tight applications.

Mfr. Part No.: 108020021
Manufacturer: Seeed Studio

The Grove – Mini Fan v1.1 can be set up in seconds and bring you some nice and cool air in the hot days. It has four parts, a mini fan, a DC Motor, a DC motor driver and a Grove cable. The cartoon-style fan design makes it a good choice for decorating your little LEGO house as well.
The motor driver boards have a built-in programmable microcontroller that uses Arduino IDE.

Specification
Input Voltage: 5V
Connector: 4 Pin Buckled Grove interface for input signal; JST 2.0 interface for the DC motor
Dimension: 20mm x 20mm

Mfr. Part No.: 101020008
Manufacturer: Seeed Studio

Grove - Soil Moisture Sensor can measure soil moisture for plants. The soil moisture sensor consists of two probes that allow the current to pass through the soil and then obtain resistance values to measure soil moisture content.

Features
Soil moisture sensor based on soil resistivity measurement
Consists of two probes that allow the current to pass through the soil
Easy to use and cost-effective
Grove compatible interface( u-blox version)

Mfr. Part No.: 105020003
Manufacturer: Seeed Studio

It consists of one coin type motor which is a Permanent Magnet coreless DC motor. It vibrates when the input logic is HIGH. It is very easy to drive and Grove compatible. Can be used in toys and cell phone modules.

Key feature
Permanent Magnet Coreless DC motor, vibrates when the input logic is HIGH
Coin size(24mm x20mm), compact design, embed into your project easily
Grove Compatible Interface, plug and play
Compatible with Arduino & Raspberry Pi

Mfr. Part No.: 101020063
Manufacturer: Seeed Studio

The Seeed studio single-channel, grove loud sensor kit is designed to detect the loudness of environmental sound. This kit has an integrated amplifier LM2904 and a built-in microphone, which amplifies and filters the high-frequency signal that received from the microphone and outputs a positive envelope. It is used to detect the intensity of the environmental sound.

Features
Grove compatible interface
Wide supply voltage range
Built-in signal filtering
Gain adjustable via screw potentiometer

Mfr. Part No.: 107020000
Manufacturer: Seeed Studio

Grove - Buzzer is a simple yet enjoyable twig to use. It can output noise at a volume over 85 dB and is integrated with Grove interface, which makes it easy to connect and experiment by just plug & play. It is a perfect add-on for all kinds of Arduino projects and human-machine interfaces.

Key Feature
Piezoelectric buzzer with wide compatibility
Grove interface, plug & play
Awesome volume (sound output: > 85 dB)

Mfr. Part No.: 101020132
Manufacturer: Seeed Studio

The Grove - Light Sensor v1.2 is an analog module and can output various electrical signals which can be converted to different ranges. It integrates LS06-S photoresistor, a high-sensitive and reliable photodiode, to detect the intensity of light in the environment. It is a perfect Arduino light sensor module for light measurement, light detection and light-controlled switch.

Features
Easy to use, interfaced with Grove port, just plug-and-play
Higher reliability and sensibility compared with Grove light sensor 1.0
Short response time: 20

Mfr. Part No.: 104020002
Manufacturer: Seeed Studio

A general purpose LED module in Grove form factor, available in different colors.

The ingenious PCB design enables you to bend the LED to any position you want, which makes it easy to use it standalone, horizontal or panel mount.

Specification:
Standard Grove connector
Operating Voltage: 3.3/5V
Emitting Color: Purple

Mfr. Part No.: 104030007
Manufacturer: Seeed Studio

A green LED mounted in a socket.

The ingenious PCB design enables you to bend the LED to any position you want, which makes it easy to use it standalone, horizontal or Panel Mount(from left to right). Easy to replace defective LEDs without soldering.

Features
Grove interface compatible
Supply Voltage: 3.3/5V
Plug and play

Grove - Red LED is designed for beginners of Arduino/Seeeduino which houses a light source that can be used to monitor controls from digital ports. It can be mounted to the surface of your box or desk easily and used as pilot lamp for power or signal. Its brightness can be adjusted by potentiometer. Easy to replace with a different LED in case of defect or a need for a different colour.

Grove compatible interface
3.3V/5V Compatible
Adjustable LED orientation
Adjustable LED brightness

Mfr. Part No.: 101020048
Manufacturer: Seeed Studio

This is a potentiometer that produces analog output between 0 and Vcc (5V DC with Arduino) on its D1 connector.
The angular range is 300 degrees with a linear change in value.
The resistance value is 10K ohm, perfect for Arduino use.
This may also be known as a rotary angle sensor.

Interface: Analog port
Supply voltage: 0-Vin
Angular range: 300 degrees
Resistance value: 10K ohm

The Artec Block Robo LINK B set is an excellent entry level robotics kit for STEM.

The Artec Block system makes it easy to build robots without having to fuss with nuts and bolts. This kit is intended for children ages 8+. It comes with over 80 pieces, including two motors, and a 30 page manual that will guide anyone through the process of building 7 robots.

Package Contents:
Gear box x 1
Battery box x 1
Beam x 8
Switch x2
Axle C x 20
Disk x 2
Basic Cube x 10
Half A x 2
Half B x 10
Half C x 16
Half D x 16
Wheel x 4
O-ring x 4
Connector red/black (1each) 50 cm (19.7 in.) x 1

The Artec Block Robo LINK A set is an excellent entry level robotics kit for STEM.

The Artec Block system makes it easy to build robots without having to fuss with nuts and bolts. This kit is intended for children ages 8+. It comes with over 70 pieces, including a single motor, and a 22 page manual that will guide anyone through the process of building 5 robots.

Package Contents:
Gearbox x 1
Battery holder x 1
Connector red/black (1 each) 15 cm (5.9 in.) x 1
Beam x 6
Axle C x 14
Disk x 2
Basic Cube x 6
Half B x 10
Half C x 18
Half D x 16

EDUCATIONAL USE OF COLOR:
Vivid and clear bright colors grab student's attentions quicker which help them to focus and concentrate in class, lectures, online courses, and even home school. Especially ideal for students with weak color sensations / identification or color blind as well as short-sighted students as all colors can be seen clearly from a distance.

PERFECT PACKAGING: Every single HAGOROMO chalk is packaged and inserted in foam slots one by one to avoid breakage.