3.5mm Cardboard (45 pcs) Halocode 4G version

4G version

Kids receive instant feedback and quickly learn that coding is simple

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the casing is atomized to safeguard children's eyes from the glare of the onboard LED

3.5mm Cardboard (45 pcs) Halocode 4G versionCardboard is a material made of a fluted corrugated sheet and one or two sheets of flat linerboards. Cardboard was invented more than a hundred years ago. It is a low cost, strong and light weight material that is easy to process. Also, it is an environment friendly material as over 80% of cardboard sheets can be recycled. Cardboard is widely used in laser engraving and DIY projects, and STEAM education workshops. Features Circular barcode labels are