3B Scientific✓Measurement Kits3B Scientific Rubber Band - for demonstration of stationary waves and wave propagation$53.99View
3B Scientific⏳Measurement Kits3B Scientific U8440455 Supplementary Set for Stirling Engine, D$173.99View
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3B Scientific⏳Measurement Kits3B Scientific U40815 Dynamometer, Colour Coded, 50 N Range, Yellow$37.99View
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