The Light Pack set includes 2 five-light beams, 2 light knots, six speciality different colored lenses, and the light system. The light system is easy to operate and adds lights to any Construx Set. Requires two D-size batteries (not included). Designed for children ages 7 years and older.

• 1 each - FPT16667 - Black 2-piece battery-operated light pack with a silver/red light marked "Fisher-Price LIGHT PACK". Includes grey On/Off button, and 1 grey bar with connector nuts attached. Requires 2 size "D" batteries.
• 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).
• 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.
• 2 each - FPT22318 - orange-tinted disk (engine turbines).
• 2 each - FPT16722 - White glow-in-the-dark disk with a round 6-step "pyramid" on top. The top of the "pyrapid has a round hole with 2 rectangular wedges on the sides of the hole. The bottom edge of the disk has 8 flat sides, each with an inverted U-shaped hole.FPT22319 - yellow-tinted disk (engine turbine/gun).
• 2 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.
• 1 each - FPT6605 - Florescent green-tinted 3-prong antenna/lazar gun (measures 3" long, 1-5/8" wide, 3/8" thick).

Other Information:

• This set was sold in a 12-3/8" long, 9-1/2" high, 2-1/2" deep display box with a lid.