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Density Blocks, Set of 18
Product Number: SB45749
In Stock (Ships within 1-2 business days)
Excellent for experimenting with density and volume. Includes 10 mm cube, 20 mm cube, and 30 mm x 20 mm x 10 mm block of six metals: aluminum, brass, copper, lead, steel, and zinc. WARNING: Choking Hazard. Small Parts. Not for children under 3 yrs.