The automatic yo-yo is here! Featuring Auto-Return Technology, Reflex™ automatically returns to the hand without having to tug the string! Utilizing a centrifugal clutch, Reflex returns automatically when it reaches the end of its spin. Reflex is a take-apart design featuring a high speed trans-axle for longer spin time, light-weight body, and a wide string gap that makes learning tricks easy! This model is perfect for beginners; Reflex is often referred to as a 'yo-yo with training wheels'!
Great reference card for chemistry and physics students.
This advanced physics kit is perfect for older children already versed in physics knowledge!
Watch this laser pointer emit a cool purple beam!
Use this awesome prism to teach about optics and light in the classroom setting!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
Is it a demonstration of a scientific law or a work of art?