Knobless Cylinders - Yellow Box arithmetic-operations This set includes 5 plastic

This set includes 5 plastic models of the life cycle of a salmon

and the top rail has a slot for inserting the wooden tiles

Recommended ages: 4 months and up

This product is assembled from two parts

Knobless Cylinders - Yellow Box arithmetic-operations This set includes 5 plasticOne set of 10 yellow cylinders varying in both length and diameter. Contained in a wood box with the lid painted yellow to match. The purpose of this material is to develop the child's visual perception of dimension. It also provides experiences in comparison, grading and seriationindirect preparation for mathematics. Features Material: Beech wood. Box: 15. 5 cm x 11. 5 cm x 7 cm. Recommended ages: 35 years.