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High Purity: This n-BUTYL chloride is of synthesis grade with a purity of 99%
Diverse Metal Rods: The included rods are made of five different metals
Suitable for classroom study and observation
stir gently
Full-size stand for display and study
Set of 160pcs Design & Construct Building Engineer Component High Purity: This n-BUTYL chlorideIncluded: BULK Set of 160pcs Design & Construct Building Engineer Component. Approximately 4KG. Easy grasp, chunky plastic components in nuts, bolts, pegs, connectors, wheels and four tools. 20" Height, 16" Wide, 17" Length. Help teach children in a fun and inventive way, while at the same time teaching them basic skills like hand eye coordination and spatial reasoning. Attractive and familiar elements that fit easily together. Perfect for Designing &
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US$ 13.95
