Natural Materials - 8 Specimens Embedded in Plastic

Natural Materials - 8 Specimens Embedded in Plastic

In a transparent plastic block, eight natural specimens illustrate samples of natural materials:

1. Wood
2. Petroleum (crude oil)
3. Cotton
4. Coal
5. Hemp fiber
6. Bamboo
7. Rubber
8. Mineral (ore)

The block is wrapped in bubble wrap and placed in a sealed cardboard box. Dimensions of the teaching aid: 14 x 6 x 1.8 cm.