Pay in 4 interest-free payments of $8.72 Learn more
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
but it's easy and there are illustrated instructions
New in Nov 2016
9 cms diameter
Particularly useful for monitoring overnight lows or daytime highs
Arcs and tendrils of purple light roam inside the (sealed) glass ball
Construct a Clock Classic Instrument but it's easy and thereAssemble the pieces, especially the different cogs, to make your own working clock takes 10 15 minutes to assemble. Wind up mechanism so no batteries required. Learn about gears on the way. 20cm clock when finished.
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