View Basket  |  Checkout  |  My Favourites  |  My Preferences  |  Login  |  Register
 
DNA Models
Biochemistry
Organic/inorganic Chemistry
Crystals and Lattices
Nanotubes and Fullerenes
Molecular Model Parts
Physics
Astronomy
Mathematics
Kite Making
Construction Kits
Recreational Kites
UFO Kite
Project Kits and Books
Parts and Materials
Birdscaring Products
Search products:
About Cochranes
Testimonials
Ordering & Delivery
Satisfaction Guarantee
Contact Us

Sign up for our email newsletter for details of special offers, product updates, teachers' tips and our latest news.

Register here - we won't pass your details on...

Unit atoms, bonds and accessories

Order extra atoms, bonds and accessories to supplement your Unit sets or to build custom models.

For parts "per 10": Please enter a multiple of 10, eg "20" for 20 atom spheres.

Discounts: Quantities greater than ten times the pack size will typically receive a discount of 10%. The discounted price will be shown in your basket if you enter the higher quantity.

Enter quantites required below: 
 
Large Atom spheres
The 44 mm diameter 'universal' spheres have holes into which the pegs are pushed to make prongs at all required angles.

Ref No.PricingQuantity
White0389
£18.95per 10
Blue0390
£18.95per 10
Red0391
£18.95per 10
Black0392
£18.95per 10
Green0393
£18.95per 10
Silver0394
£18.95per 10
Yellow0395
£18.95per 10
 
Small Univalent Atom Spheres
The 25mm diameter white univalent spheres

Ref No.PricingQuantity
25mm Univalent Atom Spheres V24150
£7.81per 10
25mm Univalent Atom Sphere V1 0388
£7.81per 10
 
Pegs
Use different shaped pegs to connect the spheres and bonds at the correct angle.

Ref No.PricingQuantity
Radial0396
£6.47per 20
Radial (flat) peg0426
£6.47per 20
Polar0397
£6.47per 20
Tetrahedral & 8 coordinate0398
£6.47per 20
12 coordinate0399
£6.47per 20
Org/inorg chemistry peg pack0400
£12.18each
 
Rigid Plastic Grey Bonds
Plastic tubes (Version 2) fit over the prongs to connect the spheres

Ref No.PricingQuantity
Rigid Plastic Bonds-
42 mm
4140
£0.64per 10
Rigid Plastic Bonds-
65 mm
4141
£0.95per 10
Rigid Plastic Bonds-
83 mm
4142
£1.23per 10
Rigid Plastic Bonds-
125 mm
4143
£1.84per 10
Rigid Plastic Bonds-
180 mm
4144
£2.67per 10
 
Alloy bonds
Metal (Version 1) fit over the prongs to connect the spheres

ItemRef No.PricingQuantity
Alloy bonds -
65 mm
4080
£7.40per 10
Alloy bonds -
83 mm
4081
£8.76per 10
Alloy bonds -
125 mm
4082
£11.90per 10
Alloy bonds -
180 mm
4083
£16.05per 10
 
Flexible White Bonds
Flexible vinyl tubes fit over the prongs to connect the spheres

Ref No.PricingQuantity
Flexible bonds -
90 mm
4084
£5.13per 10
 
NEW Orbitals for VSEPR and Orbital theory (Unit system)

ItemRef No.PricingQuantity
Unit Orbital White1957
£10.80per pack
Unit Orbital Black1958
£10.80per pack
 
Enter quantites required above: 
New storage boxes for group sets
Sturdy plastic storage solutions to last as long as our sets
More info...
Share your product images
Upload your photos of our products in action to our new gallery page
More info...
© Cochranes of Oxford Ltd 2011
Terms & Conditions  |  Privacy Policy
Tel: +44 (0) 1993 832868  |  Email: sales@cochranes.co.uk