Immerse yourself in a great physical and digital world of programmable, remote-controlled robots and other intelligent creations. With the LEGO MINDSTORMS Robot Inventor (51515), young robot fans can build 5 unique, motorized robots and vehicles using the free LEGO MINDSTORMS Robot Inventor app. Then they can bring their creations to life one by one by dragging and dropping elements into the Scratch-based programming environment. There are lots of fun activities and challenging missions to complete (go to LEGO.com/devicecheck for a list of compatible devices). With nearly 1,000 pieces, the set also allows kids to create, build and share their own tech creations with other robot fans on LEGO Life. The latest generation of LEGO MINDSTORMS kids' programmable robots has it all: from an intelligent hub with 5x5 LED display, 6-axis gyro and speaker to powerful motors and precise sensors. With the robots, young children can not only express and develop their creativity, but also learn essential STEM skills for the 21st century. - With the LEGO MINDSTORMS Robot Inventor (51515), kids develop essential STEM skills as they build, program and play with remote-controlled robots and other intelligent creations that throw projectiles, play ball, ride around and more! - Children build Charlie, Tricky, Blast, M.V.P. and Gelo and perform activities and missions with the Scratch-based LEGO MINDSTORMS Robot Inventor app (go to LEGO.com/devicecheck for a list of compatible devices). - Thanks to the nearly 1000 parts, including an intelligent hub, 4 medium motors, a color sensor and a distance sensor with shareable interface, young children can also build fun robot toys themselves and share their creations online on LEGO Life. - Robot Inventor is a natural next step for LEGO BOOST fans and for kids who love to build and play with LEGO robots. In addition, the set is a super cool gift for a birthday, the holidays or any other occasion for children from 10 years. - Blast is about 36 cm high and Gelo is about 24 cm long. The Powered Up parts in this set are also compatible with the LEGO BOOST Creative Toolbox (17101), Droid Commander (75253) and some other sets. - This cool toy includes an easy-to-install rechargeable battery, so you don't have to look for batteries first but can get started right away. - In the free LEGO MINDSTORMS Robot Inventor programming app for kids you will find a Scratch-based programming environment, digital building instructions, over 50 activities for the models and support for Python for the more experienced programmers. - LEGO MINDSTORMS inspires inventors of all ages to build, program and control interactive toy robots and other creations using LEGO bricks, motors, sensors and intelligent hubs and share their models with the MINDSTORMS community. - LEGO bricks have met the highest industry standards since 1958 to ensure they are always consistent, compatible and easy to assemble and disassemble. - All LEGO bricks and parts are thoroughly tested according to strict safety and quality standards. This way you can be sure that these electronic toys will not fall apart during a mission.