The Perplexus Twist puzzle comes with a wicked twist--you have to actually twist and realign the tracks within the shell to get the ball to the very end of the maze. Thought you knew what a hard puzzle was? You had no idea----this is the perfect puzzle for the puzzle fan in your family looking for the ultimate puzzle challenge.
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
A cool kit that helps you build your very own robotic arm!
Create your own super-versatile laser ray box for teaching optics with this set of three snap laser pointers.
You don’t think recycling is cool? Get a look at this, we’re sure you’ll change your mind!
This Celestron digital microscope rises to a new level with the included adjustable-height stand.
Teach your students about green energy sources in a creative way with this fun kit!