Tangram
Developing spatial sense through exploring puzzles with pre-existing designs
At later stage –
Exploring different 2D shapes
Relationship between areas of different shapes
Different types of triangles
Booklet showing twin tangrams, convex shapes as well as usual pictures classified according to subject
7 tangram pieces
Two sheets for introducing tangram to young children
Tangram ALTEC Laboratory Equipments and ALTEC Laboratory Instruments Tenders.