Nuts & Bolts Set - Hexagonal Head

Montessori Sensorial Material Help Teach Children the skill of using a Hex key, ?? In Practical Life, Bolts and Nuts gives the child opportunities to master??the skill of??opening and closing nuts and bolts; to reinforce hand-eye coordination ability;??to enhance concentration level while working on fine motor skills.?? In Sensorial aspect, Bolts and Nuts helps in the development of visual discrimination of sizes of the same objects.?? Weight?? : 2 lb Dimensions : 10.5 " x 4.5 " x 1" ??