Science in a nutshell ???s

[Jan in SC]

How long should I plan for these to last? Is it 3-4 weeks of work per box or 5-6?

Thanks!

[Bee]

I have 4 and they all have 10-11 different expiriments per kit.

[Julie in GA]

We only did science 2X/week, but would often do several experiments in one day.