DIY Crystals
Let's make cool crystals!!! Step 1: Put pennies or some other copper coins into a beaker Step 2: Add baking powder Step 3: Add vinegar and laundry bleach--SUPER IMPORTANT!!! Step 4: Blow on it with a straw for 30 minutes to trigger the reaction Step 5: Post results!
1 reply
dont do this it makes mustard gas