Planetary Gear Unit for Students, mall-size unit for explaining the principle of planetary gear. By setting the internal, sun and pinion gears at different motions
2.0 Blueberry Bins with Makerspace Sign, can easily support hundreds of kids, Each cart includes a pallet of replacement supplies (over 15,000 components in total, and sturdy tools to create almost any project, sign is dry erase, NGSS Aligned, Grades K-12, working in groups of 2-3
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