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This 22-layer/11-layer model (two complete turns of the double helix) is designed for self-assembly
in a plastic container with sorter lid
The opened construction of this unit allows students to see the function of the unit
Each colorful section is 24" long x 4 1/2" wide x 2 1/4" high
Set of 80+pcs Design & Build Building Consruction Engineer Components Mitosis & Meiosis of Cell Model This 22-layer/11-layer model (two completeIncluded: Wooden Box, BULK Set of 80+pcs Design & Build Building Construction Engineer Component, CD DVD Instruction Video. The pieces can be easily assembled and reassembled to create any imaginable form. This set comes all necessary tools such as screwdriver, wrench, bolts etc., Help teach children in a fun and inventive way, while at the same time teaching them basic skills like hand eye coordination and spatial reasoning. Attractive and familiar
