How much to buy?

• 20 grams of gallium is enough to for an individual to play with.
• 100 grams is better suited for a small group of people or you want to conduct multiple experiments.
• 250 grams is enough for a classroom setting for multiple groups to conduct multiple experiments.

Note: The coin is included in photos for size reference only and is not included in the purchase.

Prices are 'all in' so include all shipping and handling costs.