Da Vinci Catapult Analogue Thermometer and can be quite noisy

and can be quite noisy

A battery-powered lamp (AA batteries required) sits on a platform around which you assemble maps of northern or southern hemispheres

monitoring up to 80m from console via sender

Shopping for someone else but not sure what to give them

this kit leads you from the basic launch-zoom-crash and blast experiences to the science of physics behind it all

Da Vinci Catapult Analogue Thermometer and can be quite noisyAdvanced construction kit. Leonardo redesigned the Medieval catapult in around 1485 and used the spring like energy stored in bent wood to give power to the swing arm. This kit contains all you need precut wood and wing pieces, assembly instructions and tools. Assembly takes 1 hour (+, if from scratch). Kit 25cm W by 19 H, for teens + . Appeals to the engineers or experienced construction kitters.