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Baby & Kid Stuff For Sale By Owner in Boulder, CO

  1. see also
  2. Toddler Toys, vintage toys, dolls
    $5
  3. Keen Sandals 5 pairs - sizes 1-3
    $15
  4. YITAMOTOR Portable Toilet Camping Porta Potty with Paper Collection 6.
    $69
  5. Doll stroller, accessories and Barbies
    $10
  6. Build a Bear and baby Peace Sign
    $5
    Longmont
  7. 4 Boys T-shirts Sonoma Large
    $2
    Longmont
  8. Size 8 Dress Pants Boy's
    $3
    Longmont
  9. Magic Creations Angel White Oval Porcelain Trinket Box 1995
    $3
    Longmont
  10. 2 long sleeve Champion and Capilene Boy's XS
    $1
    Longmont
  11. Tek Gear Ultra Soft Fleece Full Zip Hoodie Boys Large
    $3
    Longmont
  12. 5 boy's shirts
    $1
    Longmont
  13. Dr Seuss's signed by David Carter Horton Hears A Who Pop Up!
    $25
    Longmont
  14. T-shirts Boy's I paused my Game to be Here
    $2
    Longmont
  15. Davinci Convertible Crib 4-in-1
    $75
    Longmont
  16. 🔥 PRICE DROPPED - Baby Jogger City Select LUX Double Stroller
    $299
    Boulder
  17. Baby Bathtub
    $45
    Frasier Meadows, Boulder
  18. Little Tykes Baby Changing Mat
    $45
    Frasier Meadows, Boulder
  19. Larex Baby Bassinet Bedside Sleeper
    $60
    Superior, CO
  20. Kids Board Books
    $19
    Broomfield
  21. child rocking chair
    $35
  22. Storksak Travel Bag Backpack Infant Diaper Bottle Carrier
    $50
    South Boulder
  23. Vtech Touch and Swipe Baby Cell Phone
    $5
    Broomfield
  24. Fisher Price Laugh and Learn Smart Stages Tablet
    $8
    Broomfield
  25. Melissa & Doug Latches Puzzle
    $10
    Broomfield
  26. Contigo Kids Tumblers
    $30
    Broomfield
  27. Garanimals Monkey Captain Sailor Blue Baby Blanket
    $20
    Broomfield
  28. Baby Nursery Room Giraffe Décor
    $100
    Broomfield
  29. Soft Potty Training Seat
    $10
    Broomfield
  30. Soft Unicorn Piggy Bank
    $10
    Broomfield
  31. Skip Hop Moby Bath Spout Cover
    $5
    Broomfield
  32. Luna Daniel Tiger and Owl Kids Book Storytime Projector
    $30
    Broomfield
  33. Three Infant/Toddler Hooded Towels
    $4
    Broomfield
  34. Replay Straw Cups
    $4
    Broomfield
  35. Columbia Omni-Shield Infant Winter Gloves
    $3
    Broomfield
  36. Tomoloo Q2 Hoverboard
    $60
    Boulder
  37. Breast pumps
    $35
    South boulder
  38. Chairs
    $150
    South boulder
  39. Marvel Storybook Collection Advent Calendar
    $5
  40. Oversized Kids Pillow Chairs
    $10
  41. Kids' Green and Black Roller Skates
    $10
  42. Bob Revollution Flex Stroller, barely used
    $160
    Longmont
  43. Large collection of assorted kids hardcover books for all ages
    $30
    Boulder
  44. Britas Allegiance Car Seat
    $50
    Longmont
  45. Kids Snowshoes - 3 pair available - Prices listed in the ad
    $0
    Longmont
  46. Nap Mat - Organic Cotton made in Israel
    $35
    Niwot
  47. Baseball Decor
    $5
    Longmont
  48. Ergobaby carrier with infant insert
    $50
  49. ADORABLE CERAMIC GARDEN BUNNY MUSIC BOX
    $10
    Boulder
  50. Minecraft Creeper costume pajama union suit SZ 12
    $3
    Longmont
  51. Single Sing-N-Slide Kids Hanging Swing
    $15
    Niwot
  52. Panda Bear Rope Basket
    $5
    Niwot
  53. Basketball joop
    $300
    Erie
  54. Away Travel Double Diaper Backpack
    $150
  55. Abiie Highchair 6months-6years
    $30
  56. BATTAT Activity Block
    $45
  57. 2 pair of kids’ riding pants
    $30
  58. Dream on Me Synergy Convertible Crib
    $40
    Longmont
  59. Alpine Muffy Baby Ear Protection
    $5
    Longmont
  60. Baby Balance Bike for 12-24 Month Toddler Balance Bike
    $15
    Longmont
  61. BANZ Earmuffs Infant Hearing Protection – Ages 0-2 Years
    $10
    Longmont
  62. Nuna x Pottery Barn CUDL Baby Carrier
    $75
    Longmont
  63. car seat
    $40
  64. Eddie Bauer Blue Winter Coat Size 10/12
    $5
    Louisville
  65. Infant bathtub
    $15
    Lafayette
  66. Fisher-Price Harley-Davidson Tough Trike - Barely Used, Like New
    $28
    Longmont
  67. 1978 Young Lives #263 Wood Musical Nursery Rhyme Crib Mobile
    $17
    Longmont
  68. 1978 Original Cradle Symphony Musical Gym Toy - Original Box
    $9
    Longmont
  69. Spectra pump
    $10
    Longmont
  70. Radio Flyer Wagon
    $10
    Longmont
  71. Baby Gates
    $25
    Longmont
  72. Wood wagon (think Flexible Flyer)
    $25
    Longmont
  73. Snoo Smart Bassinet
    $600
  74. Ultimate Spiderman 3-Pc. Toddler Bed Sheet Set
    $9
    Longmont
  75. 3 Pc. Grey Woven 100% Cotton Toddler Bed Sheet Set
    $9
    Longmont
  76. Vintage Multicolor Woven Cotten Fitted Crib Sheet & French Pillowcase
    $5
    Longmont
  77. 2 Ivory Woven Soft Cotton Fitted Crib Sheets
    $7
    Longmont
  78. 4 Vintage White Woven Soft Cotton Crib Sheets
    $10
    Longmont
  79. Girl's Cat & Jack XS (4/5) Ballerina Style Dress with Tags
    $7
    Boulder
  80. Baby Delight Bassinet
    $60
  81. Jolly Jumper doorway baby jumper
    $20
  82. Fitbit Ace 2
    $25
    Lafayette
  83. Troxel Horseback Riding Helmets
    $50
    Lafayette
  84. Girls Ski Jackets!
    $40
    Lafayette
  85. Breastfeeding accessories- Bamboobies, Bodily, Lansinoh
    $15
    Lafayette
  86. Educational Books
    $2
    Broomfield
  87. 3 Backless Child Booster Seats
    $5
    Lafayette
  88. Pottery Barn Kids Carolina Table and chairs
    $75
    Lafayette
  89. LEGO Fiveten freerider kids mountain bike shoes 1.5 - $70 (Gunbarrel)
    $70
    Gunbarrel
  90. Adjustable roller blades (size 11-1)
    $40
    Gunbarrel
  91. Fiveten freerider kids mountain bike shoes 12.5
    $40
    Gunbarrel
  92. Brand new ! Kids Helmet- Bern Diabla-
    $30
    Arvada
  93. *kids' umbrella
    $10
    ARVADA
  94. SPEEDSTACKERS STARTER SET - New
    $15
    Louisville
  95. REI and KUHL HIKING CLOTHES, 10/12, New
    $10
    Louisville
  96. Kids Cot
    $15
    Erie
  97. Lot of Boy Clothing (Size 10) - 59 Items
    $75
    Lafayette, CO
  98. Lot of Boy Clothing (6T) - 16 Items
    $25
    Lafayette, CO
  99. Lot of Boy Clothing (Size 8) - 67 Items
    $90
    Lafayette, CO
  100. Lot of Girl Clothing (Size 10) - 40 Items
    $70
    Lafayette, CO
  101. Size 5 Youth - Sneakers, Cleats, Sandals, Bogs Boots, Slippers
    $1
    Lafayette, CO
  102. Size 7 Sneakers, Sandals, Cleats & Slippers
    $3
    Lafayette, CO
  103. NEW Squishmallow - Kieli the Antelope - 16”
    $20
    Lafayette, CO
  104. 2 Foam Bed Bumpers (to avoid rolling out of bed)
    $25
    Lafayette, CO
  105. Squishmallow Stuffies
    $1
    Lafayette, CO
  106. Vintage Rocking Bassinet - Not Compliant
    $175
  107. Eddie Bauer 3-in-1 Jacket
    $40
    Longmont
  108. Graco Booster Seat
    $30
  109. Chicco KidFit Booster Seat
    $35
  110. "Tumbl Trak" Gymnastic Mat (4ft x 8ft x 2in thick)
    $175
    Lafayette
  111. 49 plastic hangers/ metal hook youth sized
    $25
    Longmont
  112. Graco Infant Car Seat (Like New)
    $80
    Boulder
  113. Graco Portable Playard (Like New)
    $40
    Boulder
  114. Ingenuity Toddler Booster (Like New)
    $20
    Boulder
  115. Ubbi diaper pail, white
    $35
    Boulder
  116. Real action fire engine
    $28
  117. Toddler 5 in 1 climb and slide gym
    $20
    Longmont
  118. Elvie Silent Wearable Breast Pump
    $60
    Lafayette
  119. Medela Pump In Style Breast Pump
    $20
    Lafayette
  120. Spectra S1 Plus Breast Pump
    $50
    Lafayette
  121. 2 La Baby dolls - in box
    $20
  122. Pottery barn crib/toddler bed
    $50
    Boulder
  123. Stokke tripp trapp toddler seat attachement
    $50
    Boulder
  124. Stokke tripp trapp toddler seat attachement
    $25
    Boulder
  125. Stokke tripp trapp toddler attachement and tray
    $75
    Boulder
  126. Fireball Quad Skates Sz2
    $14
    Broomfield
  127. Land's End Bib Snow Pants
    $20
    Longmont
  128. Mickey Mouse Kids Tie-Dye Shirts
    $20
    Erie
  129. New Above Ground Swimming Pool Set: 10ft x 30in – Includes 330 GPH Cartridge F
    $110
    Boulder
  130. Foldable Ultralight Double Stroller with Car Seat Adapter
    $165
    Boulder
  131. Mid Century Style Crib/Toddler Bed with Mattress
    $400
    Boulder
  132. Double Passenger Bike Trailer
    $95
    Boulder
  133. Mickey Mouse Hot Rod Toddler Quad Electric Car
    $85
    Boulder
  134. New Chicco Tre Jogging Stroller
    $350
    Boulder
  135. Baby bouncer
    $35
    Boulder
  136. smarTrike 4-in-1 Toddler Tricycle
    $65
    Boulder
  137. Avengers tricycle with music
    $15
    Boulder
  138. Doona car seat
    $200
  139. Toddler's Bed Frame and Mattress
    $50
    Superior
  140. Osprey Poco Child Carrier Black with Poco Raincover
    $345
    Louisville
  141. Quinny Yezz ultra-lightweight travel Buggy/Stroller Gray
    $145
    Louisville
  142. Inglesina Quid 2 Ultra Compact Lightweight Travel Stroller Charcoal
    $175
    Louisville
  143. BOB Gear Alterrain Jogging Stroller Melange Grey
    $345
    Louisville
  144. WAYB Pico Portable Car Seat + Pico Carry Bag- Jet
    $290
    Louisville
  145. Restoration Hardware Marlowe Panel Baby Crib w/ Toddler conversion Kit
    $645
    Louisville
  146. 4moms High Chair, One-Handed Magnetic Tray Attachment, White/Grey
    $75
    Louisville
  147. Crate & Kids girl infant activity chair
    $50
    Erie
  148. Pottery Barn rocking Giraffe
    $50
    Erie
  149. Elvie Stride breast pump
    $50
    Lafayette
  150. Slackers Rope Ladder 8' (96") with wooden dowels
    $20
    Boulder
  151. Elvie Double System, barely used
    $100
    Louisville, CO
  152. Lansinoh manual breast pump
    $15
    Lafayette
  153. Spectra S1 plus breast pump
    $75
    Lafayette
  154. Babies R Us ease up step stool
    $5
    Louisville
  155. STOKKE Tripp Trapp Chair - Storm Grey
    $200
    Lafayette
  156. Extremely RARE - vintage baby buggy - early 1940's -
    $75
    louisville
  157. Halo BassiNest Luxe with sheets and mattress covers
    $75
    Arapahoe Ridge, Boulder
  158. 12 Inch Schwinn Roadster Tricycle for Kids Ages 2-4 Retro Steel Frame Adjustable
    $50
    Boulder
  159. Thule Yepp Mini Child Bike Seat - Blue
    $80
    Boulder
  160. FREE Baby Walker & Booster
    $0
  161. Toy stuffed cupcakes & tea cakes
    $7
  162. 10ft circular trampoline with net.
    $25
    Nederland
  163. New Balance Size 2.5
    $16
    Broomfield
  164. Baby gate Toddleroo 47.85" wide easy swing & lock
    $30
    Boulder
  165. Children's hardwood shelf with plastic bins for toys etc.
    $50
    Boulder
  166. Children’s Book Collection
    $20
    Erie
  167. Snow Pants Sz8
    $10
    Broomfield
  168. Bunk bed
    $50
    Longmont
  169. Potty & Toilet Seat
    $5
  170. 2 child Burley Bike Trailer
    $40
  171. Baby Mesh Gate for doorways or stairs
    $25
    Loveland
  172. Momcozy M5 Wearable Pump Set w/ Case
    $100
    Lafayette
  173. Blue Spectra S1 Rechargeable Pump w/ Charger
    $50
    Lafayette
  174. Petunia Pickle Bottom diaper changing bag
    $20
    Superior
  175. U. S. Divers Snorkle gear set Youth size 5-8 (youth 6+ foot size)
    $15
    Superior
  176. Diono Car Seat
    $50
    Boulder
  177. Kids Winter Fur Boots Sz 2
    $6
    Broomfield
  178. Free Breast Milk Storage Bags
    $0
    Longmont
  179. Vtech Audio Monitor – No WiFi Needed, Battery or Plug-in, Like New
    $15
    Boulder
  180. Merrell Sandals Sz 2
    $18
    Broomfield
  181. Summer Baby (or Pet) Gate 36-60" opening
    $40
    Superior
  182. Toddler bed
    $90
  183. Patagonia Fleece SZ 5-6
    $25
    Broomfield
  184. Oribel PortaPlay baby activity center
    $50
    Lafayette
  185. Baby/dog Safety Gate- Regalo Easy Step Safety Gate *Price Reduced!
    $20
    Broomfield
  186. Bladerunner Phoenix Rollerblades Adjustable Youth Size 2-6 Black/Green
    $35
  187. The Mandalorian Costume for Kids – Star Wars Size 5/6
    $30
  188. Star-Lord Costume For Kids, Guardians of the Galaxy Vol. 2 Size 5/6
    $30
  189. Stormtrooper Costume for Kids – Star Wars Size 7/8
    $30
  190. Janie & Jack Special Occasion Boy 18-24m
    $50
  191. Pottery Barn Kids Wood Play Kitchen, Melissa and Doug accessaries
    $150
    Boulder
  192. Graco Nautilus 65 car seat with stroller
    $35
    Boulder
  193. Convertible bed frame (crib-toddler-full)
    $15
    West Pearl
  194. Chicco baby/toddler car seat
    $50
    Boulder
  195. Fertility asistance and sperm bank donation
    $2,000
    Boulder
  196. Toddler Toys! variety
    $5
  197. Keen kids sandals size 1 and 2
    $15
  198. 3T girls dresses
    $5
  199. Toddler mattress Beautyrest and waterproof cover
    $20
    Boulder
  200. Angry Birds Blankets
    $10
    Broomfield
  201. Solly baby wrap
    $20
    Lafayette
  202. Guava Family Bassinet Conversion Kit
    $120
    Lafayette
  203. Britax Double Stroller - Red
    $180
    Boulder
  204. Sorel Snow Boots sz2
    $43
    Broomfield
  205. Lands End Snow Boots Size 3
    $15
    Broomfield
  206. Dbx expandable quad roller skates
    $10
    Erie
  207. The North Face Snow Boots Size 2
    $23
    Broomfield
  208. Bogs Size 2
    $30
    Broomfield
  209. 4 Star Wars Books
    $19
    Broomfield
  210. Toddler Luggage Set
    $15
    Erie
  211. Brand new 3-6 yr old scooter
    $50
  212. Blue thick gymnastics mat for sale
    $90
    Erie
  213. Kids Electric Land Rover Defender Ride-On — 12V, 2-Seater
    $100
    Boulder
  214. Play shopping/kitchen items
    $15
    Superior
  215. Baby Delight bouncer
    $20
    Hygiene
  216. BARBIE stuff
    $275
    Louisville
  217. Pack and Play
    $30
    Longmont
  218. Baby Dining Seat
    $15
    Longmont
  219. Crib
    $225
    Longmont
  220. Ezebaby co-sleeper bassinet
    $50
    Longmont
  221. Kids Soccer Cleats
    $10
    Boulder
  222. 4moms Breeze GO Portable Pack & Play
    $90
  223. Delta Poppy House Twin Bed frame (White) + Nectar Classic Memory Foam Mattress
    $90
  224. newborn antique embroidered ruffled lacy hats, 6mo cotton dress
    $1
    NW Boulder
  225. Pottery Barn Crib with Toddler Conversion + Mattress
    $150
    Lafayette
  226. Brand new toddler scooter
    $60
  227. Baby swing and pack and play
    $60
  228. Soft shell Football Helmet
    $10
    Niwot
  229. Kip bar and mat (gymnastics bar)
    $250
    Niwot
  230. Burley single bike trailer
    $200
    Boulder
  231. Jordan shoes
    $30
  232. 4 beautiful dining room chairs
    $60
    Boulder
  233. Organic Snuggle Me
    $40
    Lafayette
  234. Boppy Pillow
    $25
    Lafayette
  235. Baby Buddha Breast Pump
    $60
    Lafayette