Magnetic Earth Field Model, Use it as is or place it on an overhead projector to show the whole class, Iron filings are suspended in oil to allow the included magnet to align them to its field
Molarity Lab Investigation Kit, concepts of molarity, Includes: 400 mL 0.3 M Hydrochloric Acid, 45 mL Phenolphthalein Solution, 5L 0.1 M Sodium Hydroxide, 1200g Sucrose, 400 mL Unknown Hydrochloric Acid No. 1, 2 and 3, has enough materials for 15 groups