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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
When the power and displacer pistons are moving away from the heat source the displacer is shuttling air inside the engine to the hot side
even when standing still
a scratch map of the world and so much more so that you can engage in hands-on activities right out of the box
Also available: Bananagrams (Original)
Book of Secrets - uGears Size:Ages 12+ When the power and displacerLock your secret notes, precious treasures, or other personal items inside the Book of Secrets from Ugears and keep them safe from curious eyes. Books have been used to hide items, in real life and in fiction, for almost as long as there have been books. Homeowners can conceal valuables from burglars by hollowing out a book and placing it on a bookshelf with other tomes. The secret book is easily found by the homeowner, but nearly impossible to find
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