Mould King’s building blocks are quite popular. The Mould King 13181 Plotter makes a great STEM gift. It is an app controlled drawing robot building blocks set with 3088 pieces. It comes with instructions, so you can put it together fast. It has 4 modes for you to choose from, including freeform drawing and writing.
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Mould King 13181 Plotter
This drawing robot can handle pencils, markers, gel pens, and everything in between. It runs on a rechargeable Lithium-Ion battery.
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