Random Objects you want added

Upright piano
Lute
Origami sims can make
Notebooks for writing/drawing
Baby/toddler buggies
Rocking horse
Cat/dog beds
Dumbbells
Exercise bike
House phones

Rollercoasters & fairgrounds objects
Cars (even if they're coded similarly to bikes with lots of extra bells and whistles)
Time period specific objects (think prehistoric/steampunk/medieval/futuristic gameplay)
More sci-fi (anything really)

Ice cream cart
Toddler xylophone and stackable rings
Ballet bar
Gymnastics balance beam, rings, bars and vault
Bubble tea
child cooking/baking activity table

Everything listed in this thread

Mochi ice cream
Chocolate crafting skill and bon bons
Dancing pole
Coconut sculptures
Cats should be able to play with the toilet paper
Be able to create foam in the swimming pool
Metal detecting hobby
Real flamingoes and parrots
Tango dancing
A small plane that sims can repair and fly
Shakes
A pink Cadillac
Pancakes stand
Newspaper and magazines stand

Heartshape Bed (non-electrical)
Spiral Stairs
Pottery Wheel
Invention Bench Table

Let's See

Buy

• Four Blessings Mahjong Table & Tea Time Table - From Sims 2 Bon Voyage
  
• Sand Waves Zen Garden also from Sims 2 Bon Voyage
  http://4.bp.blogspot.com/-eqnVT2g4G6M/UgXvKyRcyaI/AAAAAAAABKI/k5ucRvGsSj8/s1600/sims-2-bon-voyage-the-sims-2-161339_800_600.jpg
  
• Martial Arts Equipment - Board Breaking, The Fighting Dummy, Kendo Swords
  
• Hibachi
  
• Sushi Counter - I'd also like to see animation rolling the sushi
  
• Pool Table & Shuffleboard
  
• Apple Bobbing Tub
  
• Hot Coal Walking
  
• Basic Diving Boards, Pool Bars
  
• Limbo Bar - I'd go with a more tropical look but I'd be cool with a wedding version too.
  https://www.youtube.com/watch?v=UYEkAOj10nk
  
• Adventure Obstacles and traps like in World Adventures
  
• Indian Jones Style Bull Whip or at least a rope for swinging across drops
  
• Binoculars for Bird Watching
  
• Metal Detectors for the beaches
  
• Small Telescope that goes into Inventory and can be placed anywhere
  
• Comic Book racks, Magazine racks, Electronic Games rack for Book stores
  
• Grocery Store Fruit & Veg Bins and refrigerated cases
  
• Throwback Bon Voyage Items - Log Roller, Axe Throw Target, The Big Ol Glory Tree Ring Display
  
• Faux Bearskin rug from Sims 1
  
• Cowhide Sofa, Love Seat, Chair and Footstool from Sims 1
  
• Hammocks with a few differing anchoring poles like palm trees, firs or standard poles
  
• Pick Axe for rocks and an Axe for Lumber
  
• Archery Gauntlet
  
• Drums, Cello, Harp
  
• Art & Hobby Items - Sketch Pads, Glass Blowing Forge (Artworks, Jewelry, Plates, Specialty Lighting, Vases) Pottery Wheel, Clay Sculpting Stand, Sculpture Station (Bronze, Found Metals, Ice, Marble, Stone, Topiary, and Wood Sculptures)
  
• Nectar Making Equipment - Grape Tub, wine racks, vats, etc.
  
• Juicer for the making of non-nectar juices
  
• Olive Press, Olive Trees, Olive Brining (Which can be added to canning)
  
• Perfume Distilling equipment Choice of Perfume Bottles, ability to name your creation and Perfume Display for stores
  
• Signage for Ice Cream Parlor, Hair Salon/Barber, Jewelers, Florist, Perfume Boutique, Book Store, Bakery, Grocery Store, Pet Store, Fortune Teller's Parlor, Nectarary/Vineyard, Tattoo Parlor and Magic Shop
  
• Front Door Mats for the above mentioned stores
  
• Barber's Rotating Pole, Hair Washing Sinks, Hair Dryers
  
• Tattoo Chair with NPC Tattoo Artist and example posters. Tattoo Artist as an active Career
  http://images4.fanpop.com/image/photos/24400000/The-sims-3-ambitions-the-sims-3-ambitions-24457873-800-450.jpg
  
• Jewelry Making Station with rock tumbler and gem cutter. Jewelry Cases
  
• Ice Cream Refrigerated Case, Ice Cream Parlor Counter and a Professional Blender for Shakes
  
• Casino Games - Blackjack, Roulette, Baccarat, Poker Table, Slot Machines
  
• Kids Bicycles - and teaching them to ride
  
• The Lemonade Stand
  
• Exercise Equipment - Chin Up Bar, Exercise Bike, Free Weights, Jump Rope
  
• Magic Mirror
  http://3.bp.blogspot.com/-pIcUhNnCRcw/UEWxGCrPAUI/AAAAAAAALAY/ds-8hygl3Z4/s1600/The.Sims.3.Supernatural+%25287%2529.jpg
  
• Medicine Cabinet where things made from the Herbalism skill can be stored
  
• Dog Houses, Cuter Pet Beds
  
• Pet Store related racks like Collar stand, Treat Boxes, Awnings, Dog Cookies Container (that you can bake and sell)
  
• Groomers Tub and Drying Table
  
• Carnival/Boardwalk/Amusement Park Games and Attractions - Carousel, Ferris Wheel, Whack a mole, Love Meter, Strongman Game, Dunk Tank, House of Mirrors, Fortune Teller Machine, Midway Games like Claw Machines, Darting Balloons and the Shooting games, Carnival Food Booth (Cotton Candy, Funnel Cakes, Corn Dogs)
  
• Food Eating Contest Table - Hot Dogs, Hot Wings, Pie Eating
  
• More Gargoyle type decor Items - Pillars, Gates, Fireplace with Gargoyles
  
• Fortune Teller's Caravan complete with music (Speaker and radio station)
  
• Zydeco Music Speaker with additional radio station
  
• Lunar cycle dial - And the Lunar cycle to go with it
  
• Mummy Teddy Bear, Werewolf Teddy Bear, Fairy Teddy Bear, Mermaid Teddy Bear, Genie Teddy Bear like in Sims 3 but in the Sims 4 sizing
  
• Philosophers Stone
  
• Grandfather clocks that need to be wound, maintained and chime every 4 hours. Also you can choose the style of chime
  
• Lightning Leap Atomic Molecular Arranger
  
• Fairy Houses
  
• Insect/Butterfly Display cabinets and tables - Fabulous for Natural History Museums
  
• More Vanity tables like a mirrored table vanity (Made up entirely of mirrored surfaces) or the Back Country Vanity from Sims 2 or the Behind the curtain vanity from Sims 3 Showtime, The Empress Vanity by Vanité from Sims 3 Supernatural
  
• Literally everything in the picture beneath
  https://simsvip.com/wp-content/uploads/2016/03/11260287_1631119987127699_279684517_n.jpg
  
  

Build Items

• Gold Domes
  
• Russian Build Pieces from the Mother Russia Sims 3 store set
  
• Spiral Stair Cases - Stone, Wood, Scrolled Wrought Iron, Steel & Glass
  
• Grim's Gate or similar from Sims 3 store
  
• Boarded up windows
  
• Screened porch pieces including screened door
  
• Mill Water Wheel
  
• More Log Cabin wallpaper
  
• Log cabin stair cases
  
• Pet Store, Ice Cream Parlor, Grocery Store, Tattoo Parlor, Jewelers, Book Store, Hair Salon/Barber, Bakery, Perfume Boutique, Vineyard, Fortune Teller Parlor, Magic Store and Florist Shop Front Doors and Main Windows
  
• Cycladic Architectural style Fireplace, Staircase, half-walls, Doors & Windows
  

Pool Slides with optional waterfalls

Interactive Pool Waterfalls

Pool Bars

Wave Machines

Photobooths

Hammocks both single and double.

Heart shaped beds,hottubs,jacuzzi bathtubs,sinks and fireplaces. ❤️

Cars ?

Vehicles/Motorcycle
Strollers,
Sims walking Hand in Hand
More Toddler Furniture, More Kids Furniture.
More Teen Style.
Blender,
Roller Skates
Skate Boards
More Playground equipment
Treehouses
Pool Table
Gambling Table
Myshuno Game.
Making a band.
Porch Swing, Tire Swing.
Toss a baseball or Football
Kids play Tag /Ms. Mary Mack
Chalk write on ground.