This product contains loose iron filings ideal for experimentation with magnetic fields. Visualize 3D magnetic fields when you place these filings on any magnet.
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
This is a classic demonstration toy of the powers of magnetic fields!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Easily assemble a working alarm motion detector!
Build 14 assorted solar robots, some of which can travel over water!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.