Simultaneous change of two dimensions and weight. Correlation and concepts: thick - thin, thick - thicker - the thickest, thin - thinner - the thinnest.
Includes
10 cuboid blocks 20 cm wide...
Excavator with rubber wheels
Rubber-wheeled excavator made from strong, durable plastic - reinforced and balanced. Perfect for individual and classroom use. This vehicle can be used both indoors...
Slide and swing (2 in 1)
Slide and swing (2 in 1) made of high quality plastic, durable and easy to clean. With sturdy non-slip bases and easy to assemble and store.
This swing slide can be us...
Burette brush
Burette brush made of galvanized steel wire. Ideal for keeping glassware clean. Suitable for 10 ml burettes.
Features
Includes ring at the end of the handle
With duster
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