19-Piece 3D Geometric Shapes Set in Hardwood Case Chemistry 5 inches each supports crafting

5 inches each supports crafting projects

the heaviest specimen in the series at 11

used to extend the activity-series comparison and to introduce the chemistry of the lead-acid battery

this life-size hanging skeleton model features flexible spine and moveable joints for hands-on skeletal system instruction

and vascular anatomy for lower extremity instruction

19-Piece 3D Geometric Shapes Set in Hardwood Case Chemistry 5 inches each supports craftingNineteen hardwood three dimensional geometric shapes in a dovetailed sliding top case, ranging 1. 75 to 3 inches across cones, cubes, pentagons, cylinders, octagons, and pyramids.