Use the theme of mad scientist to show the children how God works through nature by using different experiments like:

• Elephant toothpaste
• anti gravity/water pulled up into a glass
• diving ketchup bottlle
• dry ice bubble
• instant snow
• fountain bottle
• inflating a baloon with dry ice
• polymer in a cup shuffle
• kinetic sand
• dry ice bombs
• crushing cans with heat
• bottomless can
• invisible water
• burning money
• clock reaction

there will be more information to come.