Answer: Pinhead, diameter about 1/16 inch (Mercury)

A peppercorn or pin head about 1/8 inch in diameter (Venus)

A second peppercorn or pinhead approximately the same size (Earth)

A second pinhead red in color slightly larger than Mercury’s pin (Mars)

A small ball about 7/8 inch in diameter (Jupiter) (We used a large glass marble)

A small ball about 11/16 inches in diameter. (Saturn) ( We used a round bell)

A small ball or coffee bean about 5/16 inches in diameter (Uranus) (For both Uranus and Neptune we used a bead)

Another small ball or coffee bean about the same size as the one for Uranus (Neptune)

Explanation: