I got from boon lay market. You got market shop easier to find. I got it from a hardware shop.
Carousell, kiddy Palace, those neighbourhood baby shop.
Qoo10 sells loads. I got 1 for my daughter at $11.30.
Got ours from kiddy palace. Maybe you can try online
There's a shop that sells it at Chinatown point
Those neighbourhood shops sell them.
Carousell has new and preloved ones
Got 2ndhand from carousell
I bought from qoo10!
Carousell, shopee