A​,​ B​,​ C for Toddler Engineers: U is for ultraviolet

It's never too early to make your offsprings into little engineers! Teach them about resistors, voltage, inductors and everything else they need to know to build their first circuit.

$11.18

It's never too early to make your offsprings into little engineers! Teach them about resistors, voltage, inductors and everything else they need to know to build their first circuit.