MAGNETS NRHIAV THIAB CUB DAIM NTAWV QHIA NROG RAU YEEM
Cov khoom siv hlau nplaum no yog qhov xwm txheej cov hlau nplaum. Cov ntaub ntawv no marble. Cov xim tau faib cov xim ntuj thiab dyed xim.
Peb tuaj yeem sau cov lus thiab cov qauv tsim raws li cov neeg siv khoom thov.
1. Yooj yim ntim: txhua tus hauv polybag, qee qhov pcs hauv ib lub thawv sab hauv, tom qab ntawd mus rau hauv thawv xa khoom.
2. Peb qhov kev txiav txim ib txwm: qee cov pcs nrog cov duab ntoo sawv hauv ib lub npov sab hauv. Ntoo tso ntoo sawv yog qhov zoo rau kev ua yeeb yam.