Woodscrew 10X1.5-" Csk Posi Bzp Bx200 X145431 In science they can be

In science they can be used to help understand life cycles or on a light panel for colour activities

for example

Refill Sachets Pack of 6

Grades K-2

Woodscrew 10X1.5-" Csk Posi Bzp Bx200 X145431 In science they can beHardened 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