Tired of coloring with broken crayons, Abby invents the world's first UNBREAKABLE CRAYONS. She even gets a patent to prove it! Through Abby's failures and eventual success, she playfully introduces young readers to the scientific method.
Tired of coloring with broken crayons, Abby invents the world's first UNBREAKABLE CRAYONS. She even gets a patent to prove it! Through Abby's failures and eventual success, she playfully introduces young readers to the scientific method.