1. The most economical toolkit based on the for platform, suitable for those interested beginners to programming. 2. Beginners are recommended from zero basics to mastery 3. This is an upgrade kit with a power module 4. High-quality kit with for R3. Compatible with for R3, 5. With a lot of accessories, programmable design, your ideas and create at will, to help children a good electronic foundation Model Number: Kit Application: DIY Kit color:As shown :PCB+plastic Package Contents: 1 x for R3 Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.