The Light Inventions set includes 365 Construx Imagination Series pieces. The set includes 2 five-light beams, 2 light knots, speciality lenses, glow-in-the-dark pieces, cranks, wheels, pulleys, axles, and blades. The light system is easy to operate and versatile enough to build a variety of objects. Requires 2 D-size batteries (not included). Designed for children ages 7 years and older.

• 1 each - FPT16699 - #6185 Construx Imagination Series "Light Inventions" instruction/idea booklet.
• Panels:
  • 4 each - FPT16679 - Square dark blue flat panel (measures 2" long, 2" wide).
  • 4 each - FPT16671 - Flat dark blue square panel with one corner cut off at an angle (measures 2" long, 2" wide).
  • 2 each - FPT6499 - Large dark blue triangular panel. The back side has a "L" imprint for left. Measures 4-3/4" long, 2-1/4" wide, 1/2" thick. *This panel may have a large black and white stripe decal on one side.
  • 2 each - FPT6500 - Large dark blue triangular panel. The back side has a "R" imprint for right. Measures 4-3/4" long, 2-1/4" wide, 1/2" thick. *This panel may have a large black and white stripe decal on one side.
• Connector beams:
  • 2 each - FPT16668 - Black 4-1/4" long beam with 5 red lights on the top (measures 4-1/2" long, 1/2" wide, 1/2" deep).
  • 16 each - FPT6560 - Grey 4-1/4" long straight connector beam (measures 4-1/4" long, 1/2" wide, 1/2" deep).
  • 44 each - FPT6502 - Grey 2" long straight connector beam (measures 2" long, 1/2" wide, 1/2" deep).
  • unknown number each - FPT6503 - Grey short straight connector beam (measures 1/2" long, 1/2" wide, 1/2" deep).
  • 10 each - FPT16565 - Grey angled connector beam (measures 3-1/2" long, 1/2" wide, 1/2" deep).
  • unknown number each - FPT6561 - Flat blue connector beam with a hook on each end. The beam has a "Fisher-Price" imprint on the side (measures 3-3/4" long, 1/2" wide).
• Connector Nuts:
  • 2 each - FPT30025 - Black 4-peg connector nut with clear light cover on the tip. Connector has a 21" long wire with an adapter on the end to connect to the FPT16667 Light Pack.
  • unknown number each - FPT6504 - Blue 6-peg connector nut (measures 3/4" long, 3/4" high, 3/4" deep).
  • unknown number each - FPT6447 - Black 4-peg jointed connector nut (measures 3/4" long, 3/4" high, 3/4" deep)
  • 4 each - FPT6448 - Orange 5-peg connector nuts with a female slide connector on one side (measures 15/16" long, 3/4" high, 3/4" deep).
  • unknown number each - FPT6446 - Grey 4-peg connector nut (measures 3/4" long, 3/4" high, 3/4" deep).
• FPT22318 - 2 each - orange-tinted disk (engine turbines).
• unknown number each - FPT16622 - Red large cylinder (measures 2-1/2" long, 2" diameter). One end of the cylinder is closed with a molded recessed plus (+) shape and a hole in the center. The other end is open with a jagged edge.
• 4 each - FPT16268 - Glow-in-the-dark half-circle disk (measures 2" diameter, 1" tall). The disk has a hole in the top, and the edge of the disk has 4 sides with 2 oblong holes.
• unknown number each - FPT16270 - White Glow-In-The-Dark tiny cylinder (Measures 1/2" long, 3/8" diameter). The cylinder is hollow inside.
• unknown number each - FPT16269 - Glow-in-the-dark small straight rod (used as lazar guns, radar centers, etc.) The rod measures 2-3/4" long. The side of one end of the rod has a small recessed square hole. The opposite side of the rod has a small triangular recessed groove that stretches from one end of the rod to the other end.
• 3 each - FPT16674 - Large round yellow pulley/wheel. One side of the pulley is flat and smooth. The other side has a round raised cylinder around the center hole. The pulley has a connector-shaped hole on each side of the center hole (measures 1-7/8" diameter).
• unknown number each - FPT16589 - Long reddish-orange propeller with a squared connector piece on the end. One side of the blade is marked "Fisher-Price" (measures 4-1/2" long, 1/2" wide, 1/2" deep).
• unknown number each - FPT6604 - Short reddish-orange propeller with a squared connector piece on the end. One side of the blade is marked "Fisher-Price" (measures 2" long, 1/2" wide, 1/2" deep).
• 2 each - FPT16645 - White rectangular cockpit seat with a ribbed backrest that is raised above the side edges of the cockpit. The seat area is recessed with molded controls and gears on the inside sides. There is a connector hole on the bottom of the cockpit, one on each side of the cockpit, and three on the front and back. Measures 3" long, 1-7/8" wide, 1-3/4" tall.
• 2 each - FPT16644 - Orange rectangular semi-transparent cockpit canopy. The canopy has an opening in the top to allow a Construx figure to fit through. Measures 2-7/8" long, 1-3/4" wide, 5/8" tall.
• 1 each - FPT16667 - Battery-operated light pack marked "Fisher-Price Light Pack" on the ligho around the On/Off button on the light pack.