AMERICAN EDUCATIONAL PRODUCTS - R BASIC MOLECULAR MODEL SET, GRADES 4 - 7 - AEP71864 Set includes 6cm x 2.5cm black alkane carbon balls, 4cm x 2.5cm black alkene carbon balls, 2cm x 2.5cm black alkyne carbon balls, 5cm x 2.5cm green halogens and monovalent non - metals balls, 4cm x 2.5cm yellow sulfur/selenium hexavalent balls.
Price: 23.00
