Sand hourglasses are a unique and elegant way to tell time. Keep one in your home, office, or classroom, for decorative or practical purposes; this hourglass bridges the gap between the two, and makes for an excellent conversation piece or gift. Parents can use it at home as a method for visibly demonstrating the passage of time for young children. Free-standing sand timer measures 5.5 inches in height and measures approximately 10 minutes.
This science kit is an essential introduction to physics knowledge!
Learn about detective science through this fun fingerprinting kit!
This 1mW, 532nm Super Safe Green Laser Pointer is for education, government or other settings where safety is a concern.
Comprehensive collection of 30 fossils.
Ever wonder how to survive in the wilderness? These cards can help!
This kit will get your paper plane ready for takeoff!