LED Holiday Decoration
Explore circuits and electrical energy while creating your own unique holiday decoration! Add an LED light to make your design sparkle as you discover the skill of soldering. Click here …
Explore circuits and electrical energy while creating your own unique holiday decoration! Add an LED light to make your design sparkle as you discover the skill of soldering. Click here …
Roll a marble to knock down the dominoes that then drop a ball, which releases a lever that fills up a cup of milk! Explore how simple machines can make …