The Pro TOP is a great way to progress your electronics knowledge.  
Designed to fit onto and powered by  the JackBord Pro, the Pro TOP contains all of the components you need to know to learn and practice the basics:
 
4 x Types of fixed resistors
2 x 10K variable resistors
2 x Buttons
1 x Light Dependent Resistor
5 x LEDs
1 x Diode
3 x Capacitors
3 x Transistors
 
Learning electronics before you start coding means you get so much more from coding because your programs can interact with the real world.