HOT SALE -- Brain Improvement Device for Kids

Color:  Addition roller


 This Brain Improvement Device Can Help Your Kids Learn Maths With Joy!
  • 😲 Adjustable numbers. gently scrolling. quick questions. no need to pay high prices for math questions
  • 😲 Rotate and adjust the column type. can adjust 10 different queue methods
  • 😲 Primary school students make one page a day to improve the speed and accuracy of oral arithmetic. cute and practical
  • 😲 The imprint is clear. and it dries and does not fade after printing. Add printing oil. which can be used repeatedly. easy to use and fun
  • Material: High benzene plastic + rubber
  • Shape: Rectangular
  • Weight: 52g
  • Size: 8.5*5.5*3.5cm
  • Color: pink. blue
Package includes:
  • 1/2/4 PCS x Brain Improvement Device for Kids + 1/2/4 PCS x ink
  • 3 PCS x ink


  • Due to manual measurements. please allow slight measurement deviations.
  • Due to the different display and lighting effects. the actual color of the item may be slightly different from the color displayed in the picture.