Perpetual Moon-Phases Plants as well as some of

as well as some of the most fundamental principles in chemistry that can be derived from the structure and function of the periodic table

About the Artist:

Relive some of those glory days and spread light and color (and the joy of physics) wherever you go in this classic baseball-style Exploratorium shirt

Bonus: access supplemental experiments online

These gel pens have 12 colors of glittery ink in a retractable barrel

Perpetual Moon-Phases Plants as well as some ofLunar Flip Perpetual Moon Phases Flip Calendar. Track the moon's gravitational dance with this interactive perpetual calendar. Featuring 30 pages that guide you through each lunar phasefrom new moon to full moon and backthis flip calendar transforms daily observation into scientific discovery. Each page reveals fascinating celestial facts about lunar cycles, gravitational effects, and astronomical phenomena. The durable hardback cover protects your