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.
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
Investigate the most important phenomena in biology, chemistry, and physics by conducting more than 100 fun experiments!
Great tarantula specimen for the science classroom!
Have fun building your very own FM radio!
This kit focuses on teaching children about electricity and how electronic devices work!
This kit will get your paper plane ready for takeoff!