Thames & Kosmos Molecule Beads STEM Experiment Kit fs_1028mfp_dp_217490|en_CA Gardez votre vin au frais
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Thames & Kosmos Molecule Beads STEM Experiment Kit fs_1028mfp_dp_217490|en_CA Gardez votre vin au fraisMake plump and squishy polymer gel beads to demonstrate the molecular structure of plastics. Form the gelatinous globules by dripping sodium alginate into a solution containing calcium ions. Learn how massive chains of polymers make these fun squishy orbs possible.
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