The Minibeasts name trail key
Suitable for KS2 and above, Name Trails guide users through a simple key to help them to identify the plants and animals that they find. Text on the reverse side of the charts provides further information. Splash proof and wipe clean for outdoor use. The...
Name Trail key to Fresh Water Invertebrates
Suitable for KS2 and above, Name Trails guide users through a simple key to help them to identify the plants and animals that they find.
Text on the reverse side of the charts provides further information. Splash proof and wipe clean for o...
B8R04272
• 2 x No.3 scalpel handles
• 5 x Scalpel blades No.10, 5 x Scalpel blades No.10A
• 2 x Dissecting needles, straight, stainless steel in plain wooden handles
• 2 x Seekers, bent, stainless steel in plain wooden handle
• 1 x Force...
High-quality steel. Handle length: 113mm.
Stainless steel, open shanks.
Made from Aluminium. Dimensions: L356 x W305 x H26mm.
Blunt-end forceps of glass-filled nylon, serrated at tips with finger-grips along the shaft. Ideally suited to microbiology work where they may be destroyed after use. Length: 15mm (Colour may vary).
For collecting flies, spiders, and other small arthropods. A glass specimen tube, (75 x 25mm), with inlet and outlet tubes via a rubber stopper. Collecting tube has flared end and mouthpiece has a flexible connection.
Includes:
• 10 x 110 blunt forceps
• 10 x 113mm scalpels
• 10 x Dissecting scissors
• 10 x 40mm needle in 110mm hardwood
Bundle of items needed for a class to dissect specimens all provided in a Gratnells tray with lid so easy to store. Enough for class of 30 working in pairs. Compromises: 15 x Blunt end forceps 110mm length, 15 x Steel handle scalpel length 113mm, 15 x Stainless steel handle needles,15 x white...
The new miniDNA molecular kits provide an easy to understand introduction to DNA structure. Comprises abstract shaped, colour coded parts to represent the nitrogenous bases, pentagonal sugar and pyramidal phosphate component parts present in the DNA double helix. Each component is designed so t...
The 12-base contains: 3 Uracil (U) light blue, 3 Adenine (A) blue, 3 Guanine (G) green, 3 Cytosine (C) yellow, 6 Ribose (dark red), 6 Phosphate (purple), 2 Amino-acid part and 2 Transfer RNA part.
The 24-base contains: 6 Uracil (U) light blue, 6 Adenine (A) blue, 6 Guanine (G) green, 6 Cytosine (C) yellow, 12 Ribose (dark red), 12 Phosphate (purple), 4 Amino-acid part and 4 Transfer RNA part.
Paper strip dimensions 9mm x 50mm (25 strips each pad). This paper is bitter or tasteless depending on heredity of taster.
Each individual should take the taste test only once.
Enzyme: Storage, Shelf Life, Concentration
It’s good practice to store enzymes in a refrigerator (5°C approx). This should give a shelf life of 12 months without significant loss of activity.
Enzymes supplied as liquid are supplied as a ready-to-use solution and should n...
50cm3
25g
50g
A semi quantitative test for glucose in urine.
A book of the human body in the form of a cube. Tactile, rip-resistant and durable. Guided by the arrows, start and stop dots the cube can be opened and folded in a series of ways to show each “page”. This cube contains full colour detailed and labelled pictures of all of the body’s major s...
2 times enlarged. Dissectible into 2 parts showing clearly the blood vessels. Structure of auricles and ventricle on diaphragm. Numbered with English key cards.
Bundle containing everything needed to demonstrate gas exchange systems. Stored in a Gratnells tray with lid so easy to store. Compromises: 1 Glass manometer, 4 lung bags, holders, mouthpieces, 10 peak flow meters, spare peak flow mouth pieces, 1 respiration apparatus plus Gratnells tray and ...
For general bacteriology.
A skin fold calliper is a device which measures the thickness of a fold of skin with its underlying layer of fat. By doing this at key locations it is possible to estimate the total percentage body fat of a person. Skin fold callipers have springs which exert a set pressure on the skin fold, gene...
Peak flow meters allow people to to monitor their asthma; Peak Expiratory Flow (PEF) is a measurement of how fast someone can blow out. When you are well your PEF is higher, when the airways are narrow (as in asthma) PEF is lower.