Task of shape matching along with inserting and turning skills. Large, colorful pieces are easy to handle and fun to use.
Includes 32 plastic bolts in four shapes, 32 matching plastic screws and all bins. Also included are step-by-step assembly instructions, performance norms, data sheets, and disassembly instructions with norms. Colors of the nuts are irrelevant for the standard task, the instructions detail variations for this task.
Quality Criteria: The nut and bolt base must match in shape. Assembled nuts and bolts must not rattle when shaken.