: Buying specific, vibrant, or clear cups with lids ensures that a "habit" doesn't disappear just because a glass was put away in a dark cabinet. Science in a Cup
: Some stores received only one or two units, leading enthusiasts to wake up at 4:00 AM to scout multiple locations. buy cups with lids
: Educators suggest buying these sets—sometimes even with pre-packed dirt—to make it easier to have science kits delivered rather than making multiple runs to a store. : Buying specific, vibrant, or clear cups with