Trailer calculation bus - To the right

Nice tool that can be used while calculating. This trailer can be combined with the computer bus [https://houtenonderwijsmateriaal.be/products/rekenbus?_pos=1&_sid=a27b22ee3&_ss=r]† You can also work with the 20 field. Children can get started in a playful way with this math bus and trailer. There are 2 options, trailer for the bus driving to the left or right. LINKS game board - trailer for math bus driving to the left. TO THE RIGHT game board - trailer for math bus driving to the right.