Automobile Engineer, With durable storage case and illustrated storybook, Dimensions: 14.7 x 6.3 x 9.4, can build models of the 10 vehicles in the story. Large, colorful plastic building pieces make it easy for small hands to put the models together
Production of Biodiesel Kit, Includes: Vegetable oil, Methyl alcohol, Potassium hydroxide, Microburners, two-phase process to produce small batches of crude biodiesel
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