The 5 stacking cups in soft silicone are ideal for gripping and stacking Babies can build a tower or nest for the bird, stimulating fine motor skills in a playful way The colorful bird fits exactly into the smallest stacking cup - so babies learn to nest and stack! Thanks to the ...The 5 stacking cups in soft silicone are ideal for gripping and stacking Babies can build a tower or nest for the bird, stimulating fine motor skills in a playful way The colorful bird fits exactly into the smallest stacking cup - so babies learn to nest and stack! Thanks to the practical, carefully detailed bag, all the pieces can be safely stored and taken anywhere! Nibble, stack and sort. Our approach to play has led us to define a range that also meets the needs of parents, and each product has a "plus"!!