Hi and welcome, I've moved your post to the level 2 forum, this thread may help with posting
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There are lots of sensory activities you could consider, ones that provide something to touch, see, smell, hear, taste, share & learn about.
The first day of spring is March 21st, how about providing some cut grass, scissors, yellow playdough, paper daffodil petals & trumpet cones - this activity doesn't immediately support taste, so maybe adding information on who does eat grass and
how we don't - or
donkeys will help children explore risk, or maybe growing cress? A pre-grown tub is good for comparrison, projection - seeing what will happen and sandwich making...
Sight - visual presentation of all the focus activity's resources
Smell - wet cress seeds have an aroma of their own.
Hearing - shake the seed packet, talk & discuss
Taste - make sandwiches for tasting : USA's
nutritiondata.com cress &
RDI information
Learning - how seeds grow/germinate and sprout to become plants, what they need to do this, what colour they are, will be, taste like, smell, feel like and their use ..
Messy play activities are good for sensory exploration.
Hth xx