Density Materials Kit Solids, 14 Piece,Consist Fourteen Materials In The Form Of Rectangular Blocks, Intended To Familiarize The Student With The Appearance, 'Feel', Texture, Hardness And Density Of A Range Of Substances, Brass 20 X 20 X 50 mm, Iron 40 X 40 X 20 mm
HookS Law Spring Set, Set Of Five Different Springs Constants, The Set Has Five Different Springs Constants For In Depth Investigation With Above HookS Law Apparatuses.
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