A set of large nuts and bolts, with the three basic geometric shapes: circles, squares and triangles. Screwing and unscrewing them enhances manual dexterity and visual motor coordination. Durable and highly resistant, they are made of eco-friendly materials to reduce their environmental impact. Includes 28 pieces. Details: Multicolor nuts and boltsSold as a set of 28 piecesMade of eco-friendly materials to reduce their environmental impactA set of large nuts and bolts, with the three basic geometric shapes: circles, squares and trianglesScrewing and unscrewing them enhances manual dexterity and visual motor coordinationDurable and highly resistantDevelops fine motor skillsFor ages 2 through 5