Make your voice sound like a robot with this cool voice changer solder kit. Add vibrato effect, or use the pitch buttons to make your voice sound lower or higher. It also comes with a built-in power amplifier and microphone--simply add a speaker to the unit. Great for pranks, as a novelty toy, or as a stocking stuffer.
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Create beautiful art with this amazing sun paper!
A beautiful desk toy for your favorite person’s office!!
Learn about detective science through this fun fingerprinting kit!
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.
Build a tumbling robot that gets up right after it has fallen down, without any outside help!