The strainer can also act as a plug - keep water in the sink.
eBay
1pcs Kitchen Sink Faucet Replacement for Kids Pretend Play Sinks with Running Water Faucet Toy Play Kitchen Accessories
Aliexpress UK
Original Strainers Kitchen Sink Drain Plug Strainer 80mm for Food Waste Stainless Steel. You just need to press the knob down to fill sink, then lift it slightly to drain the water and then collect all the residues.
eBay
Kitchens Play Food Kitchen Sink Toys 3 in 1 Fishing Pool Toys Pretend Role Play Toys for Boys Girls
Aliexpress UK
Made of high-quality rubber material, it is both durable and flexible, able to fit most standard sinks. With its convenient pull ring feature, this sink plug is easy to use and remove. It is a unit of one and has a simple yet stylish design that suits any style.
eBay
Robotime Robud Play Kitchen Wooden Kids Kitchen Playset with Realistic Design Sink Oven, Stove Cabinet Vintage Style for Kids
Aliexpress UK
Sinks, slop sink, bathtubs, laundry sinks and so on. EASY TO USE - simply place the stopper in the drain. Can be used for indoor and outdoor applications. Each stopper has improved pull ring for easy removal.
eBay
Italian-Style Luxury Kitchen Island Table w/Luxury Stone Slab & Built-in Sink, Custom Open-Concept Dining Bar for Modern Home
Aliexpress UK
eBay
Pretend Play Kitchen Set With Sounds, Lights, Cooking Stove, Sink, And Play Food - Mini Toy Kitchen
Aliexpress UK
22Pcs Glow Plug Remover Extraction Removal Tool Set Kit With Storage Box For BST. 5 In1 Accumulator Hydraulic Nitrogen Charging Filling Gas Valve Pressure Test. 3 In 1 Hole Punch Locator Round Wood Doweling Kit Hand Drilling Puncher Tool NEW.
eBay
Kids Kitchen Sink Toys Simulation Electric Dishwasher Mini Kitchen Food Pretend Play House Toy Set Children Role Play Girl Toys
Aliexpress UK
eBay
Children Play House Simulated Kitchen Dishwasher Sink Hand Basin Electric Circulating Water Kitchen Set Boy Girl Idea Kids Toys
Aliexpress UK
Sinks, slop sink, bathtubs, laundry sinks and so on. Rubber Plug For Sink Bathtub Kitchen Bathroom Wash Basin Shower Drain Stopper. 1 Rubber Plug Sink Drain Stopper (for kitchen sink, bath & shower plug holes).
eBay
Robotime Robud Play Kitchen Wooden Kids Kitchen Playset with Realistic Design Sink Oven Stove Cabinet Vintage Style for Kids
Aliexpress UK