All Products Klutz Gumball Machine Klutz A0010304 JOD26.99 t is a gumball machine that you work yourself. Bubble gum balls not included. Information on simple machines inspires creative confidence by giving children an easy way to use household materials to experiment with. Clear Instructions: Take the intimidation factor out of being a manufacturer and trying new things. Includes a 36 page book with detailed... Add to cart