LEGO Technic model 42179 Sun Earth Moon — 526 pieces, rotating planets, recommended age 10+

LEGO Technic model 42179 Sun Earth Moon is a 526-piece display model that demonstrates the relative movement of the Sun, Earth and Moon. The set includes an instruction sheet and builds a mechanical assembly with rotating planets suitable for display, educational demonstrations and hands-on learning about basic orbital motion.

Advantages

The model provides a clear mechanical representation of the Sun–Earth–Moon system with moving parts, contains 526 elements for detailed construction, and is part of the LEGO Technic series designed for more advanced building techniques. The included instruction sheet guides assembly step by step for builders aged 10 and above.

Suitable for

• Classroom demonstrations of orbital motion and basic mechanics
• Home display and educational play
• Hands-on learning for ages 10 and up

Key specifications

• Number of pieces: 526
• Recommended age: 10+ years
• Model type: Mechanical display with rotating planets
• Box dimensions (approx.): 382 mm × 94 mm × 262 mm
• Package weight (approx.): 1 kg
• Item dimensions (assembled box footprint): 330 mm (depth) × 180 mm (width) × 240 mm (height)

How to use

Follow the included instruction sheet to assemble the Technic elements in sequence. After construction, place the model on a stable surface for demonstration or display. Rotate the drive mechanism gently to observe the relative motion of the planets and to explore gear ratios and simple mechanical linkages.

Usage recommendations

Intended for children aged 10 and older; adult supervision is recommended for younger builders. Use on a flat, stable surface and avoid forcing parts during assembly to prevent damage.