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1 four-piece playing board
Puzzle size: 22
their means
In how many different places on the ball track can the 4 FlexTubes be installed
Bring the Holiday Garden House book nook into your world and witness the blossoming of romance and tranquility
Nano Hive Stirling Engine Gifts for 5 to 10 1 four-piece playing boardAlpha Engine configuration The Kontax Nano Hive high temperature Stirling engine features anodised aluminium construction with honeycomb brass fittings and will run at 2000 rpm on a tiny candle sized flame. Stirling engines come in three main configurations, alpha, beta and gamma. This Nano Hive engine is an alpha configuration, with two pistons in separate cylinders connected to one flywheel with a 135 phase between them. The two cylinders are
US$ 65.00
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