Check out this little maze pen! This cool xUmp.com-branded pen is made up of a plastic maze configuration. It contains two little metal balls, and the object of the puzzle is to get one ball on each side of the pen. More challenging than it looks, this pen makes a great stocking stuffer or small gift that will challenge the user.
Easily assemble a working alarm motion detector!
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!
Build a hand that realistically moves its fingers using shape memory allow technology!
Use this temperature-controlled soldering station for a variety of soldering applications!
Comprehensive collection of 30 fossils.
This genuine meteorite is great for the rock collector in your family!