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enclosed base and supper sturdy construction
lime and peppermint
Plant based detergents and other natural ingredients like pure essential oils are tough on bacteria
Israel went through an austerity period during which food and other resources were rationed
Test Tube & Activity Set (Pack of 3) Brand_O-Cedar enclosed base and supper sturdyMake science fun with hands on activities that encourage experimentation, observation, and analysis. These durable plastic test tubes include leak proof caps, so there is no worry about breaking or spilling. The five activity cards include simple science experiments that are easily adaptable for multiple grade levels. Set includes 5 plastic test tubes, 5 screw caps, and 5 double sided activity cards. Each test tube holds up to 35 mL (about 1 oz.).
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