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 tarantula specimen for the science classroom!
Build your own windmill generator kit by recycling a plastic bottle!
The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
A massive mounted set of 100 rocks and minerals found in the US,
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
This glass Erlenmeyer mug makes an excellent gift!
At xUmp.com you will find a large selection of scientific products carefully curated by real scientists and educators. We sell everything from educational toys, teacher supplies for science classroom, lab equipment, science toys, science fair supplies, classroom equipment, chemistry glassware, chemistry lab equipment, physics demos, electronics supplies, robots, science kits to geeky science gifts.