The E-Circuits Set-1 has the basics: LED, Buzzer, Toggle Switch, Push
Button Switch and also the advanced: Various resisters, Capacitors,
Crocodile clips all with a base board with connecting towers so that you
can spend time in learning and not connecting. Also in the set you will
have a complete instruction and educative booklet. This booklet will
hand hold your little one and give them explanation as well as get them
to do the experiment to imbibe the idea, the theory for eternity.