Every book and toy my children ever had( now in 30s with their own homes). Means I've rarely had to buy anything for my granddaughter to play with or read.
Cots, stair gates, car seats, potties, toddler bed, single bed.
Every bit of my children's school work from nursery to a levels.
Loads of fabric.
Loads of my clothes in various sizes.
Various children's clothes.
Various cushions and cushion covers.
Various suitcases.
Christmas decorations.
Several rugs.
Some of my old childhood toys( I'm in my 60s).
Various old computers, cd players, dvd players.