Nuts, Bolts and Pattern Cards Class Set
2 years & up. Encourage color and shape recognition while building fine motor skills. Match the correct bolt in size and color to the activity card and fasten with the nut. Activity cards vary in degree of difficulty to challenge children to a higher level of thinking. Includes 36 nuts and bolts in 3 sizes and 4 colors and 16 plastic activity cards. Bolts measure 2.75".