Grimm's 46pc Basic Building SetGrimms building block set is wonderful for small children because of its simple geometrical forms. This forms give room for the creativity, train the fine motor skills and the logical and spatial thinking. This set is also wonderful in combination with the Basic Building Set (#10200) with basic forms and less blocks. Standard Building Set includes 46 building blocks in a wooden frame. Materials: lime wood, non toxic water based colour stain non toxic