Find the part of the lock in the picture. What is it for?
Find the spot where this picture is taken and enjoy the view. How far can you see?
As you pass through this bird reserve, mark each bird you see, hear or sense out of five on different criteria. You can judge them on how pretty they are, how good they sound, how big their poops...
Make your way across this bridge without touching, hearing, tasting, smelling or seeing an insect. If you do, start again!
You are currently on Pluto, over 3.5 billion miles away from the Sun. Cycle there!
Moonwalk around our Moon and Earth.
Blindfold yourself and get a friend to direct you to the middle of the maze.
Explore this area from both a worm's eye view and a bird's eye view.
Find what is making the shadow in the picture below then cast the most beautiful shadow you can using yourself and your bike.
Get off your bike at the entrance to Sprotbrough Flash Nature Reserve and go on a micro expedition. Investigate 10 square centimetres of the nature reserve extremely thoroughly. What does it tell you...
Find two plants growing by the side of the canal and ask people which one they like best. Are people prejudiced about looks, smell or something else the most?
Make your thumbs and index fingers into a square. Close one eye and peer through this frame to find the best view and take a photograph in your mind.
Run round and round anything round you can find, including Saturn and its rings.
Use your nose to explore the area - find fragrances and sniff out stinks. What is the grossest smell and what is the most delightful?
Find a view that looks natural but sounds unnatural. Close your eyes and imagine the view that matches the sound, then put your fingers in your ears and imagine the sounds that match the view.