Woodscrews 8X2-" Csk Posi Bzp Bx200 DW1-120A2/1 making it helpful to teach

making it helpful to teach ordinality and the value of zero

Clear magnifying dome locks tight to keep bugs safe inside

curved and distorted view when looked through

The water tight bottom is ideal for viewing fish

4 times the size of Giant Polydron and also compatible with Giant Polydron which is available on our website

Woodscrews 8X2-" Csk Posi Bzp Bx200 DW1-120A2/1 making it helpful to teachHardened steel, twin threaded, bright zinc plate finish. Available in 25 different sizes. Sizes include No. 4 x 1 2", No. 6 x 3 4", No. 6 x 1", No. 6 x 11 4", No. 6 x 11 2", No. 8 x 3 4", No. 8 x 1", No. 8 x 11 4", No. 8 x 11 2", No. 8 x 13 4", No. 8 x 2", No. 8 x 21 2", No. 8 x 3", No. 10 x 1", No. 10 x 11 4", No. 10 x 11 2", No. 10 x 13 4", No. 10 x 2", No. 10 x 21 2", No. 10 x 3", No. 12 x 11 2", No. 12 x 2", No. 12 x 21 2", No. 12 x 21 3", No. 12