The varikabo FT soldering kit is an electronic robotics kit designed for soldering with original Fischertechnik building blocks (expandable). It's a fun and educational way to dive into electronics, perfect for children and hobbyists alike. Key Features: 12 Functions and Behavior Patterns Follows light, lines, objects, or your hand Obstacle detection and unexpected movements Stops and avoids obstacles, light, or shadows Reacts sensitively to its environment through patented sensor technology Function Settings: Easily adjusted via a switch and by tilting and swapping the three sensors. Build Time: Approximately 3 to 4 hours Detailed Instructions: Includes a comprehensive 57-page guide for building. Required Tools: 9V Battery Soldering iron, solder, small pliers, wire cutters Age Recommendation: Ideal for children aged 10 to 12 and older. Power: Battery life typically lasts over 12 hours per battery (less with rechargeable batteries). Includes: 68 parts for assembly Comprehensive 57-page instruction manual (available for download) Specifications: Age Range: 10-12 years Assembly Time: Approximately 3-4 hours Kit Components: 68 pieces Necessary Tools: Soldering iron, soldering wire, small pliers, wire cutters, and a 9V battery