the pink tower we produce is not same as others,some Features:
1,Material:we use beech wood which is hard and heavy wood,so the pink tower is strong and you can Distinguish the weight change when size change,even the small pcs.
2,size:the size is 1-10cm,the largest one is 10cm
3,exact shape,cube and you can measure the material by 1cm cube
,if you buy large quantity,please send us email to discuss more details.if you want to buy one sample to see quality,we have Aliexpress online shop. This is an educational product and is only to be used under the supervision of professional trained adults in a school environment.