This handy digital tachometer measures the working speed of an engine (especially in a road vehicle) in revolutions per minute (RPM) via laser. The meter ranges from 2.5 - 99,999 RPMs. Perfect for use around the house or in the garage, and great for obtaining precise measurements on engines in classroom experiments. Displays to the tenth decimal.
Get swept away by this fantastic robot kit that uses vibrations to move!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Build over 100 exciting electronic projects with this easy to use kit!
The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
Find the hidden crystals when you open your own geodes from this fun set.
This glass Erlenmeyer mug makes an excellent gift!