Make Your Own Fireworks in a Cup at Home Looking for a jaw-dropping science-meets-mixology activity that kids (and adults) will love? This DIY Fireworks in a Cup experiment is mesmerizing, colorful, and packed with wow-factor. Using simple liquids and smart layering, you’ll create floating clouds and jellyfish-like tendrils that bloom right before your eyes. Ingredients (makes 1 glass) The Base (clear & dense) • 4–5 oz Peach Schnapps High sugar content keeps the cream floating. Alternatives: Cle