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Set of Mild steel and brass weights providing weighing range from 10 gm to 1990 gm. Contains six brass weights of two each of 100 gm, one each of 50 gm, one each of 20 gm and two each of 10 gm, three steel weights of one each of 1 kg, one each of 500 gm and one each of 200 gm. Housed in a molded tray.

Demonstrates the typical concept behind the architecture of roman arch structures, which are famous for their strength in compressive loading. Comprises a pre assembled 3-part buttress and a set of 23 wooden blocks. Fully assembled arch can easily support the weight of a child.