| Item Name: | Inner hexagon screw set 27.5*11.5*3 |
| Item Code: | A287 |
| Size(cm): | 28.5*12.7*5.1 |
| Weight(kg): | 0.8 |
| Materials: | Beechwood |
| Age(month): | 8-72 |
| Certified by: | ASTM F963 EN71 1 2 3 |
| Montessori Materials for Practical | Preliminary | |
| Purpose : 1, Visual recognition-color discrimination (classification) 2, Hand-eye coordination-alignment 3. Fine movement-grasping and aiming 4. Organizational competence-completeness |
|
| Beech, Phillips screw | |
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