Dry machine technology model student manual class assembling toy DIY maker electric dryer dryer model

SINONING

$4.28 
SKU: SNP3

Dry machine technology model student manual class assembling toy DIY maker electric dryer dryer model

 

Product attributes
Product features: Battery cassette switch, freely controlled
Scientific principle: after electrifying, drive the drum to spin through the motor
Product size: about 80*80*100mm
Product weight: about 82g
Learning knowledge:
1.Understand the principle of centrifugal force
2. Understand the movement principle of washing machine slapping

 

shipping list:1pcs dryer model