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AY18174
Academy
PKAY18174 Da Vinci Rolling Ball Timer
Based on a sketch of an escapement mechanism drawn by Leonardo da Vinci. The kit uses principles of gravity and kinetics to measure the passage of time.
New tooling. No glue required • No painting required • No batteries required.
Easy to assemble plastic model kit, paint, glue and batteries not required.
£14.99
In Stock
August 2017