Scientific Explorer Light Up Crystal Mega Set creates 5 beautiful crystals that can be displayed on a color-changing light-up base! No boiling water is needed, just stir the magic powder in water, leave in the growing cup and watch your crystals form. When done, place them on the base and watch how they pick up and reflect the light. Requires 3 AAA batteries (not included).Contents include: Color Changing Light Up Pedestal, 2 Large Growing Cups with Lids, 3 Small Growing Cups with Lids, 5 Growing Bases, 5 Colors of Crystal Powder, 5 Stir Sticks, Easy Instructions. Requires 3 AAA batteries (not included).For 1 or more playersAges 9 and upMade in ChinaBrand new condition in original packagingWipe clean with dry or damp clothWarning: Choking Hazard - Contains small parts not suitable for children under 3 years.