Screw Nut Set

$37 $50
 Giving your child an opportunity to play with nuts, bolts and washers is good for their fine motor development. Twisting, pinching and turning each of the objects is great for those smaller muscles in the hand, which of course helps with other activities such as writing.
Screw Size App : 
Length: 5.5cm (2.17in)
Width: 5cm (1.97in)
Height: 5cm (1.97in)
Quantity: 40Pcs(20pairs) 

Domestic Orders (USA):  8-20 Business Days
International Shipping:  15-35 Business Days