RoboCORE Software Development Kit and toolchain are available here:

• ARM toolchain for RoboCORE (based on gcc-arm-embedded)
• GCC 4.8 20140609
• RoboCORE SDK downloads

See also:

• Open Source

3D printable models of components used in our robots compatible with LEGO:

MPU-9250 orientation sensor cover	Ultrasonic HC-SR04 sensor cover	Battery pack holder

You can build your own Ralph using our open source 3D printable parts:

Servo Cover - Mechanism	Slider for a phone / tablet	Servo Arm

Kickstand	Mechanism Rod

All 3D printable models are available here:

3D models on GitHub