Explore the amazing world of crystals with this simple and easy introductory kit; begin seeing results within one day! By dissolving the included crystal powder and sprinkling the crystal seeds onto the base, you can begin growing your very own brilliant purple crystal! Allow 10-12 days for full growth, depending on temperature and humidity conditions. Attractively packaged, with detailed instructions - easy project for kids to undertake with parental supervision. Grow a beautiful purple crystal to decorate your house, and marvel at the wonders of nature as a small packet of powder and seeds transforms into a real crystal!
Great reference card for chemistry and physics students.
Learn all about the science of light, optics and visual perception with this wonderful kit!
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Use this temperature-controlled soldering station for a variety of soldering applications!
Get swept away by this fantastic robot kit that uses vibrations to move!