A chemistry set with 75 safe, chemical-free experiments! Perform fun scientific experiments with common household products like salt, vinegar and flour! Which has the most acidic pH out of water and orange juice? How do clouds form? How can you make a heavy object float? Included : 4 test tubes and 4 caps, 1 holder, 1 tweezers, 1 pipette, 20 pH papers, 1 pH scale, 1 small cup, 1 large cup, 1 measuring spoon, 1 stirring rod, 1 syringe, 1 funnel, 1 balloon goggles, 1 thread, 1 magnifying glass, 2 Petri dishes, 30 g baking soda, 10 cords, filter papers.