Protozoa

For students to determine volume easily. A set of four specimens machined to have equal volume. Each piece is 12 mm × 12 mm × 50 mm (L x W x H). Set includes Aluminum, Copper, Brass and Steel.

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.