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The Nuclear Institute

Small Reactor Big Reaction Baby Bodysuit - Cotton Crewneck Onesie

Small Reactor Big Reaction Baby Bodysuit - Cotton Crewneck Onesie

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Regular price £20.36 GBP
Regular price Sale price £20.36 GBP
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Introduce a spark of science-inspired charm to your baby's wardrobe with our 'Small Reactor, Big Reaction' bodysuit. Designed for ultimate comfort and style, this short-sleeve crewneck is an essential for any growing infant.

Crafted for everyday wear, this piece features thoughtful construction to ensure convenience for parents and comfort for your little one. The lap shoulders and convenient leg openings make dressing effortless, while the premium fabric keeps them cozy throughout the day.

Key Features:
  • Graphic: 'Small Reactor Big Reaction' design
  • Material: 100% soft, breathable cotton
  • Design: Relaxed fit with lap shoulders
  • Easy Dressing: Features convenient leg and neck openings
  • Weight: 4.5-6 oz/yard² (150-200 g/m²)

Whether you are shopping for a unique baby shower gift or upgrading your little one's daily essentials, this bodysuit is the perfect choice. Order now to give your baby a look that is truly out of this world.



Size guide



  12M 18M 6M
A) Length (cm) 32.4 34.9 29.8
B) Width (cm) 49.6 54.6 44.4
B) Half Chest (cm) 24.8 27.3 22.2


  12M 18M 6M
A) Length (inches) 12.8 13.7 11.7
B) Width (inches) 19.5 21.5 17.5
B) Half Chest (inches) 9.8 10.7 8.7


Care instructions

Wash Machine wash warm (max 40C or 105F), wash garment inside out with similar colors
Tumble Dry Low
Bleach Only non-chlorine
Dry Clean Do not dry clean
Iron Do not iron
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