make an mobile with conkers and nutmegs and holly leaves
make inuit snow goggels by cutting in half, hollowing out and attaching string and making eye holes
Use as golf balls/marbles/catapult ammo/part of a throwing/ball game
Hollow and carve to make a Mini pumpkin style thing
make a very small crash helmet for a budgie
Glue to the bottom of your shoes to make you taller
Try stringing them together to make a clunky necklace/bracelet/shirt/bra(as a gift?)
Food/bait on a squirrel table (as opposed to bird table)
Use bits of the shell stuck on card to make a picture
See if you can make a pipe end from it
Learn Juggling
These are all theoretical ideas, i haven't tried any, so some
might not be practical
modified to add more ideas
small sugar pot
Fake eye replacement for people with glass eyes
seat or play thing for a small creature
Paint as people and make a family of strange round characters
Yule tree decorations, could be hollowed and filled with something
Grate it to make confetti
Hollow out, fill with wax and a wick, to make extremely cool candles. (This one might be dangerous as they might not stand up and the shell might burn.
Make something like these acorn craft animals
from
acorn crafts from
mailsrv.nara-edu.ac.jp/~inoue/NNM/craft.htmlconker raft which may also need sticks and string and kangaroo crisp as driver of boat
slingshot ammo
Art-attack style garden picture
Save for eyes and button for a snowperson (pc)