Turn the discs on the second board to get amaz ing visual effects different patterns will be seen under different rotation speeds

On the third board the kids could learn about the change on colors with different combinations of the three primary colorsredyellow and blue

Open the lock different colors correspond to different materials EVA velcro mirror felt cloth corrugated card

The last board is not an ordinary easy gear the kids can combine diferent gear structures by themself through the track and make the gears link together

Several children could play together and share happinessthey can not only play for fun but also learn a lot such as basic ideas of colors sound graphical It also can develop handeye coordination social skill and tactile skill

A perfect and brilliant toy combination for schools kindergartens learning center and public areas