High-tech systems provide features that low-tech systems cannot come close to matching and they are available to all individuals no matter their age, perceived language stage, or surmised intellectual level at the time of intervention. High-tech systems can provide: Cause & effect level of use.

Selasa, 30 Januari 2018

limited offer US $9.41 Happyxuan Wooden Lunar Rover Model Students Diy Science Materials Kits Solar Battery Hybrid Car Kid






Happyxuan Wooden Lunar Rover Model Students Diy Science Materials Kits Solar Battery Hybrid Car Kid

[32857354605] Happyxuan Wooden Lunar Rover Model Students Diy Science Materials Kits Solar Battery Hybrid Car Kids Fun Science Experiments Toys​ Product material:wooden, plastic, electronic components Product size:12*10*9cm 2 Type Driving force Mixed: solar energy or battery. Working principle:solar energy is converted into electricity. The price is for 1 set, the product is non-finished,batteries are not included.  



US $15.68

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