Activity Clock is a resource designed to help kids understand the units for measuring time, hours and minutes, facilitating their understandi...
40 activity cards & teaching guide for reasoning and evolution of basic arithmetic operations. The perfect complement to numerical scales...
These favour the reasoning and evolution of basic arithmetic operations. With 20 weights, numbered arms and 10 hangers on each of them. Funct...
With buckets and lids, 14 plastic weights and 11 metal weights. Precise. Supports the notions of weight and equivalence.
Plastic box with different sized plastic weights, to complement the scales.
Set of 11 metallic weights to increase the possible use of the scales.
Resistant and multi-use. Graduated: 100, 200, 300, 500 and 1.000 cc
The interior can be filled with sand, rice or any other similar material to establish their equivalencies quantitatively. Side of the cube: 1...
It shows how electricity can be produced from several materials containing chemicals that react when they come in contact with various metals...
