That are great for sensory development
Sensory balls, glockenspiel/xylophone, bubble bath, scarves, books, bath toys (boats are usually a good option that don't go mouldy!)
We got a day out. We've also done a toddler tower for the kitchen.
Put the money you would have spent in an investment account and let it grow until they are 18 (add to it if you can). Xx
@Izzi no-one on the "thrifty women" page is going to rip you for saying that
Anything language development. There’s cards you can insert into a machine that reads our words that babies love. They’re on Amazon. But thrift wise, I look on Vinted. Bath toys are great, sometimes even silly household objects