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Original price $ 30.00 - Original price $ 30.00Original price$ 30.00$ 30.00 - $ 30.00Current price $ 30.00Star Mentor: Hands-On Projects and Lessons in Observational Astronomy for Beginners - Paperback
Explore ScientificThis is a hands-on guide for both the budding astronomer in need of a mentor and the seasoned observer who wants to learn how to effectively share ...
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Original price $ 25.99 - Original price $ 25.99Original price$ 25.99$ 25.99 - $ 25.99Current price $ 25.99Galileoscope Tripod
Explore ScientificFeatures Lightweight tripod easily converts from tabletop to full-size model Mount design provides a secure fit for steady viewing during long ob...
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Original price $ 49.99Original price $ 49.99 - Original price $ 49.99Original price $ 49.99Current price $ 34.99$ 34.99 - $ 34.99Current price $ 34.99Certified Pre-Owned National Geographic 900x Microscope with Hard Case
National GeographicCertified Pre-Owned Refurbished These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the E...
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Original price $ 79.99Original price $ 79.99 - Original price $ 79.99Original price $ 79.99Current price $ 44.99$ 44.99 - $ 44.99Current price $ 44.99经过认证的预先二手国家地理10x42防水双筒望远镜带浮带
National Geographic经过认证的预先翻新 这些经过认证的预先二手物品（包括望远镜和配件）已由Explore科学质量控制团队进行了彻底检查，以确保该物品达到我们的高标准。然后将该物品重新包装，通常在新盒子中，并准备出货。 通常，这些项目来自THree资料来源：返回，通常像新状况一样；交易另一个项目；或新的，但有瑕疵和...
查看完整细节Original price $ 79.99Original price $ 79.99 - Original price $ 79.99Original price $ 79.99Current price $ 44.99$ 44.99 - $ 44.99Current price $ 44.99Save $ 35.00 -
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Original price $ 149.99Original price $ 149.99 - Original price $ 149.99Original price $ 149.99Current price $ 99.99$ 99.99 - $ 99.99Current price $ 99.99Certified Pre-Owned National Geographic NT114CF 114mm Reflector Telescope - CPO-80-20114
National GeographicCertified Pre-Owned Refurbished These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the Ex...
查看完整细节Original price $ 149.99Original price $ 149.99 - Original price $ 149.99Original price $ 149.99Current price $ 99.99$ 99.99 - $ 99.99Current price $ 99.99Save $ 50.00 -
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Original price $ 34.99Original price $ 34.99 - Original price $ 34.99Original price $ 34.99Current price $ 24.99$ 24.99 - $ 24.99Current price $ 24.99Certified Pre-Owned Explore One Metal Detector
Explore OneCertified Pre-Owned Refurbished These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the Ex...
查看完整细节Original price $ 34.99Original price $ 34.99 - Original price $ 34.99Original price $ 34.99Current price $ 24.99$ 24.99 - $ 24.99Current price $ 24.99Save $ 10.00 -
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Original price $ 9.99Original price $ 9.99 - Original price $ 9.99Original price $ 9.99Current price $ 6.99$ 6.99 - $ 6.99Current price $ 6.99Certified Pre-Owned National Geographic 3x LED Magnifying Glass
National GeographicCertified Pre-Owned Refurbished These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the Ex...
查看完整细节Original price $ 9.99Original price $ 9.99 - Original price $ 9.99Original price $ 9.99Current price $ 6.99$ 6.99 - $ 6.99Current price $ 6.99Save $ 3.00 -
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Original price $ 59.99Original price $ 59.99 - Original price $ 59.99Original price $ 59.99Current price $ 41.95$ 41.95 - $ 41.95Current price $ 41.95经过认证的预先二手探索Apollo显微镜和望远镜套件
Explore One - CPO经过认证的预先翻新 这些经过认证的预先二手物品（包括望远镜和配件）已由Explore科学质量控制团队进行了彻底检查，以确保该物品达到我们的高标准。然后将该物品重新包装，通常在新盒子中，并准备出货。 通常，这些项目来自THree资料来源：返回，通常像新状况一样；交易另一个项目；或新的，但有瑕疵和...
查看完整细节Original price $ 59.99Original price $ 59.99 - Original price $ 59.99Original price $ 59.99Current price $ 41.95$ 41.95 - $ 41.95Current price $ 41.95Save $ 18.04 -
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Original price $ 149.99Original price $ 149.99 - Original price $ 149.99Original price $ 149.99Current price $ 99.99$ 99.99 - $ 99.99Current price $ 99.99Certified Pre-Owned National Geographic NT114CF 114mm Reflector Telescope - CPO-80-30114
National GeographicCertified Pre-Owned Refurbished These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the Ex...
查看完整细节Original price $ 149.99Original price $ 149.99 - Original price $ 149.99Original price $ 149.99Current price $ 99.99$ 99.99 - $ 99.99Current price $ 99.99Save $ 50.00 -
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Original price $ 39.99Original price $ 39.99 - Original price $ 39.99Original price $ 39.99Current price $ 27.95$ 27.95 - $ 27.95Current price $ 27.95经过认证的二手发现50mm折射率望远镜
Discovery经过认证的预先翻新 这些经过认证的预先二手物品（包括望远镜和配件）已由Explore科学质量控制团队进行了彻底检查，以确保该物品达到我们的高标准。然后将该物品重新包装，通常在新盒子中，并准备出货。 通常，这些项目来自THree资料来源：返回，通常像新状况一样；交易另一个项目；或新的，但有瑕疵和...
查看完整细节Original price $ 39.99Original price $ 39.99 - Original price $ 39.99Original price $ 39.99Current price $ 27.95$ 27.95 - $ 27.95Current price $ 27.95Save $ 12.04 -
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Original price $ 15.99Original price $ 15.99 - Original price $ 15.99Original price $ 15.99Current price $ 10.95$ 10.95 - $ 10.95Current price $ 10.95经过认证的二手发现40mm折射望远镜
Discovery经过认证的预先翻新 这些经过认证的预先二手物品（包括望远镜和配件）已由Explore科学质量控制团队进行了彻底检查，以确保该物品达到我们的高标准。然后将该物品重新包装，通常在新盒子中，并准备出货。 通常，这些项目来自THree资料来源：返回，通常像新状况一样；交易另一个项目；或新的，但有瑕疵和...
查看完整细节Original price $ 15.99Original price $ 15.99 - Original price $ 15.99Original price $ 15.99Current price $ 10.95$ 10.95 - $ 10.95Current price $ 10.95Save $ 5.04 -
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Original price $ 79.99Original price $ 79.99 - Original price $ 79.99Original price $ 79.99Current price $ 59.99$ 59.99 - $ 59.99Current price $ 59.99Certified Pre-Owned Explore One Titan 70mm Telescope with Panhandle Mount
Explore OneCertified Pre-Owned Refurbished These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the E...
查看完整细节Original price $ 79.99Original price $ 79.99 - Original price $ 79.99Original price $ 79.99Current price $ 59.99$ 59.99 - $ 59.99Current price $ 59.99Save $ 20.00 -
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Original price $ 39.99Original price $ 39.99 - Original price $ 39.99Original price $ 39.99Current price $ 24.95$ 24.95 - $ 24.95Current price $ 24.95Certified Pre-Owned Explore One 45 Piece 900X Microscope Set with Case
Explore One - CPOCertified Pre-Owned Refurbished These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the Ex...
查看完整细节Original price $ 39.99Original price $ 39.99 - Original price $ 39.99Original price $ 39.99Current price $ 24.95$ 24.95 - $ 24.95Current price $ 24.95Save $ 15.04 -
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Original price $ 69.99Original price $ 69.99 - Original price $ 69.99Original price $ 69.99Current price $ 49.99$ 49.99 - $ 49.99Current price $ 49.99Certified Pre-Owned Discovery Telescope and Microscope Combo Set with Hard Case
Discovery - CPOCertified Pre-Owned Refurbished These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the Ex...
查看完整细节Original price $ 69.99Original price $ 69.99 - Original price $ 69.99Original price $ 69.99Current price $ 49.99$ 49.99 - $ 49.99Current price $ 49.99Save $ 20.00 -
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Original price $ 49.99Original price $ 49.99 - Original price $ 49.99Original price $ 49.99Current price $ 34.95$ 34.95 - $ 34.95Current price $ 34.95经过认证的二手发现900X显微镜，具有硬壳
Discovery - CPO经过认证的预先翻新 这些经过认证的预先二手物品（包括望远镜和配件）已由Explore科学质量控制团队进行了彻底检查，以确保该物品达到我们的高标准。然后将该物品重新包装，通常在新盒子中，并准备出货。 通常，这些项目来自THree资料来源：返回，通常像新状况一样；交易另一个项目；或新的，但有瑕疵和...
查看完整细节Original price $ 49.99Original price $ 49.99 - Original price $ 49.99Original price $ 49.99Current price $ 34.95$ 34.95 - $ 34.95Current price $ 34.95Save $ 15.04 -
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Original price $ 27.95Original price $ 27.95 - Original price $ 27.95Original price $ 27.95Current price $ 18.99$ 18.99 - $ 18.99Current price $ 18.99Certified Pre-Owned Discovery 450x Student Microscope
DiscoveryCertified Pre-Owned Refurbished These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the E...
查看完整细节Original price $ 27.95Original price $ 27.95 - Original price $ 27.95Original price $ 27.95Current price $ 18.99$ 18.99 - $ 18.99Current price $ 18.99Save $ 8.96 -
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Original price $ 95.00Original price $ 95.00 - Original price $ 95.00Original price $ 95.00Current price $ 50.99$ 50.99 - $ 50.99Current price $ 50.99Certified Pre-Owned National Geographic 50mm Telescope and 640x Microscope Set with Hard Case
National GeographicCertified Pre-Owned Refurbished These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the E...
查看完整细节Original price $ 95.00Original price $ 95.00 - Original price $ 95.00Original price $ 95.00Current price $ 50.99$ 50.99 - $ 50.99Current price $ 50.99Save $ 44.01 -
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Original price $ 49.99Original price $ 49.99 - Original price $ 49.99Original price $ 49.99Current price $ 24.99$ 24.99 - $ 24.99Current price $ 24.99Certified Pre-Owned Discovery Juno 50mm Telescope with Hard Case
DiscoveryCertified Pre-Owned Refurbished These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the E...
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Original price $ 39.99Original price $ 39.99 - Original price $ 39.99Original price $ 39.99Current price $ 25.99$ 25.99 - $ 25.99Current price $ 25.99Certified Pre-Owned National Geographic 40x-640x Magnification Microscope with Smartphone Camera Adapter
National GeographicCertified Pre-Owned Refurbished These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the E...
查看完整细节Original price $ 39.99Original price $ 39.99 - Original price $ 39.99Original price $ 39.99Current price $ 25.99$ 25.99 - $ 25.99Current price $ 25.99Save $ 14.00 -
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Original price $ 199.99Original price $ 199.99 - Original price $ 199.99Original price $ 199.99Current price $ 93.99$ 93.99 - $ 93.99Current price $ 93.99Certified Pre-Owned National Geographic StarApp114 - 114mm Reflector Telescope w/ Astronomy APP
National GeographicCertified Pre-Owned Refurbished These Certified Pre-Owned items -- including telescopes and accessories -- have been thoroughly inspected by the E...
查看完整细节Original price $ 199.99Original price $ 199.99 - Original price $ 199.99Original price $ 199.99Current price $ 93.99$ 93.99 - $ 93.99Current price $ 93.99Save $ 106.00 -
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Original price $ 19.99 - Original price $ 19.99Original price$ 19.99$ 19.99 - $ 19.99Current price $ 19.99国家地理6x21双筒望远镜
National Geographic特征 6倍放大倍数 橡胶盔甲可安全抓地力 坚固的身体 这些6倍放大的孩子的双筒望远镜成为了完美的探索伴侣，这要归功于他们坚固的设计和方便的尺寸。 额外 手动的 在这里下载手册 CA居民： 道具65警告
Original price $ 19.99 - Original price $ 19.99Original price$ 19.99$ 19.99 - $ 19.99Current price $ 19.99Sold out -
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Original price $ 59.99 - Original price $ 59.99Original price$ 59.99$ 59.99 - $ 59.99Current price $ 59.99国家地理50mm CF600望远镜-80-10050-CF
National Geographic描述 探索Lunar Terrain的复杂轮廓，或者使用国家地理CF600望远镜参观Pleiades群集的蓝白色恒星。对于那些希望开始进入业余天文学世界的人来说，这种入门级观察工具是理想的选择。这款易于使用的望远镜的光圈为50mm，600mm的焦距和独特的碳纤维样式。它带有一个简单的Alt-...
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Original price $ 269.99 - Original price $ 269.99Original price$ 269.99$ 269.99 - $ 269.99Current price $ 269.99国家地理40X-1600X LCD显微镜
National Geographic特征 研究标本在阶段使用的放大力范围从40倍到1600倍。 3.5“ LCD屏幕可提供清晰，彩色的标本视图，可以同时由多个观众共享。 5MP摄像机使用户可以拍摄标本的照片或视频，以供以后分析。 除了提供内部存储内存外，该设备还具有SD卡插槽，并配有用于数据传输的USB电缆。 颜色过滤轮使识...
查看完整细节Original price $ 269.99 - Original price $ 269.99Original price$ 269.99$ 269.99 - $ 269.99Current price $ 269.99Sold out -
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Original price $ 29.99 - Original price $ 29.99Original price$ 29.99$ 29.99 - $ 29.99Current price $ 29.99探索一个冒险范围
Explore One特征 安装在27英寸柔性线圈上的摄像机可让您凝视，下方和周围的障碍物和小空间。 明亮的LED灯可以帮助您在弱光或不明的条件下探索。 2.31“ LCD屏幕足够大，可以同时查看该动作。 描述 Explore One Adventure Scope具有27英寸的灵活摄像机，其LED灯连接...
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