Each Dinosaur in a cage is non-toxic andwhen placed in water grows by 400% in 72 hours. (Growing time is approximate). Full instructions can be found on each packet. Dinosaursare CE marked & not suitable for children under 36 months due to small parts. CE warning is written in both English & French. Each item comes packaged on card. This item is available in assorted designs. Please note when this item is low in stock not all designs may be available.