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The Nuclear Institute

I'm an Advanced Modular Reactor Baby Onesie - Short Sleeve Cotton Bodysuit

I'm an Advanced Modular Reactor Baby Onesie - Short Sleeve Cotton Bodysuit

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Regular price £20.36 GBP
Regular price Sale price £20.36 GBP
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Combine comfort and personality with our 'I'm an Advanced Modular Reactor' baby onesie. Designed for both function and style, this short sleeve crewneck bodysuit is a must-have for every curious little scientist.

Crafted for easy changes, it features convenient lap shoulders and flexible leg openings to ensure your baby stays comfortable throughout the day. Whether for playtime or casual outings, this relaxed-fit bodysuit is the perfect choice for your little one.

Key Features:
  • Graphic Design: "I'm an Advanced Modular Reactor"
  • Fabric: 100% premium cotton for softness and breathability
  • Weight: 4.5-6 oz/yard² (150-200 g/m²)
  • Design: Relaxed fit with lap shoulders for easy dressing
  • Care: Durable construction for frequent washing

Order now to bring a touch of scientific humor to your baby's wardrobe!



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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