$65.50
A working re-creation of Leonardo da Vinci's 15 th Century Ornithopter. Takes about an hour...
$42.50
A working re-creation of Leonardo da Vinci's 15th Century catapult. Takes about an hour to...
$43.50 - Sold Out
A working re-creation of Leonardo da Vinci's 15th Century "Aerial Screw" Takes about an hour...
$48.50 - Sold Out
Medieval Siege Tower with catapult.. Siege Towers were used in the medieval times to breach...
$42.50 - Sold Out
Elastic powered airplane launcher kit... kids of all ages can design make and scientifically test...
$29.95 - Sold Out
19 fun experiments to explore the natural world. Chemical Reactions Forensic Science Crystallography Qualitative Chemistry...
$19.95 - Sold Out
Learn about Volcanos. Experiment with the science behind a lava lamp Model and erupt a...
$19.95 - Sold Out
Learn about minerals and their amazing qualities. Construct models of graphite and diamond to understand...
$29.95 - Sold Out
24 fun experiments to explore the living world. Activities cover: Microbiology Enviromental science Forensics Biochemistry...