Check the listing for details. Crayola Model Magic Fusion Modeling Clay. Condition: New. Listed at 11.99 USD. The Crayola Model Magic Fusion Modeling Clay is a versatile and creative toy suitable for children aged 3 and up. With the brand name Crayola known for its quality art supplies, this modeling clay offers endless possibilities for imaginative play and artistic expression. Recommended for ages 4-7, this clay is perfect for young artists to explore their creativity and develop fine motor skills while creating unique and colorful designs.