Lumber
$425
Hardware
$295
Consumables
$75
Total Est.
~$795
Build Time
3–4 days
Beginner Builder Time Estimate — 3 to 4 full weekend days Day 1 (4–6 hrs): All cutting, sanding, edge sealing lumber and plywood. This is the longest prep day.
Day 2 (5–7 hrs): Build both under-counter frames, install side panels, dividers, and cubby shelves.
Day 3 (4–5 hrs): Counter tops, sink hole, back walls, shelves, pegboard. Install carry handles.
Day 4 (3–4 hrs): Build + install drawers, plumbing hookup, finish coat (primer day). Second coat next day.
Pro tip: Home Depot will cross-cut boards for ~$0.50/cut — saves 1–2 hrs on Day 1.
Design Overview

Main Unit

Length96" (8 ft)
Counter depth16"
Counter height20" — toddler elbow height
Back wall height22" above counter
Total height42"
Under-counter opening16" clear

Back wall at rear. Sink approx. 1/3 from left end.

Side Unit

Length72" (6 ft)
Counter depth16" — matches main
Counter height20" — same as main
Back wall height22" above counter
Total height42"
ConfigurationL-shape, joins right end of main

Back wall at rear. Both front faces open to shared play area.

Storage Layout

Main — drawers2 pull-out drawers, 12" wide
Main — cubbies2 open cubbies + 1 open bay
Side — cubbies2 open cubbies + 1 open bay
Back wall shelves2 on main, 1 on side
Pegboard2 × 48" strips on main
PortabilityCarry handles + rubber feet

Why These Dimensions

20" counterElbow height, avg 3-year-old
16" depthDeep enough, safe reach
22" back wallToddler eye level
ModularEach unit ≤50 lbs empty
MaterialsPT pine + BC exterior ply
FinishChild-safe exterior paint
Build Diagrams
BACK WALL (rear) pegboard strip + shelves face forward shelf 1 shelf 2 sink drawers open cubby open cubby open bay 96" (8 ft) — main unit 42" total ht 20" counter 22" back wall back wall (rear) side unit (6 ft) 72" (6 ft) Front Elevation — standing in front, looking at the unit Back wall is at the rear — pegboard and shelves face you when you stand at the counter
BACK WALL (rear) ← upper shelf pegboard strip counter top — 3/4" ply (16" deep) 1" overhang cubby shelf ← rear front → (you stand here) 16" deep 22" back wall 20" counter ht 16" opening 42" total height Side Profile — cross-section, back wall at rear (left)
👧 play area (south of main unit) 👧 play area (west of side unit) ▲ BACK WALL — north face (rear) ▼ front face (south) sink faucet drawers cubby cubby open bay BACK WALL — east face (rear) ▶ ◀ front face (west) open bay cubby cubby corner N S E W 96" — main unit (8 ft) 16" deep 72" — side unit (6 ft) 16" deep Back wall (thick, hatched) Counter surface (top view) Play area (both sides) ✓ Toddler can reach BOTH counter fronts from the inner L corner Top-Down View — L-Shape with accessible play zone on both units
back wall panel 3/4" plywood counter top cubby shelf (screwed to sides) glue + 3" screws at all rail-to-leg joints front leg front rail Assembly Sequence 1. Cut all 2×4s to length 2. Build 2 ladder frames (front + rear, glue + screws) 3. Stand frames up parallel 4. Connect with 13" side rails 5. Check diagonals = square 6. Attach back wall panel (screws into rear legs) 7. Drop plywood counter on top Predrill PT lumber — it splits! Leg height = 19-1/4" (20" - 3/4") 19-1/4" legs one bay width (varies ~13–24") Frame Detail — one bay, back wall at left (rear)
Lumber
Pressure-treated 2×4 × 8 ft
Frame legs, rails, stretchers — WeatherShield or equivalent, ground contact
× 24
~$168
~$7.00 ea
Pressure-treated 2×4 × 10 ft
Long top & bottom rails
× 4
~$33
~$8.25 ea
Exterior plywood BC grade — 3/4" × 4×8
Counter tops, back walls, shelves, drawer boxes, panels
× 10
~$460
~$46 ea
Exterior plywood — 1/2" × 4×8
Drawer fronts, back panels
× 3
~$105
~$35 ea
Cedar 1×4 × 8 ft
Back wall face trim, shelf faces
× 8
~$72
~$9.00 ea
Hardware
Exterior deck screws — 3" #10 coated
Primary framing fastener
2 lbs
~$22
~$11/lb
Exterior construction screws — 1-5/8" coated
Plywood fastener
1 lb
~$9
~$9/lb
Carriage bolts + nuts + washers — 3/8" × 3-1/2"
Carry handle mounting — structural
24 sets
~$18
~$0.75 ea
Drawer slides — 12" full-extension soft-close
Everbilt or Liberty brand at HD
4 pairs
~$60
~$15/pair
Drawer pulls — stainless or galvanized bar pulls
× 4
~$20
~$5 ea
Carry handles — recessed flush pulls (heavy duty)
Pair on each end panel of each unit
× 8
~$32
~$4 ea
Stainless steel bar / prep sink — 12"×16"×6" drop-in
Glacier Bay or Koolmore single bowl — HD stock item
× 1
~$89
drop-in
Garden hose faucet / brass ball valve — 1/2" NPT
Hose thread outlet, mounts through back wall
× 1
~$18
Hose-to-1/2" NPT adapter (female hose × 1/2" FPT)
× 1
~$8
Flexible braided supply line — 12", 1/2" FPT both ends
× 1
~$12
Drain assembly — 1-1/2" basket strainer + P-trap
× 1
~$22
Pegboard strips — 1/4" × 6" × 8 ft exterior
Fasten with 3/4" spacer washers behind
× 2
~$20
~$10 ea
Pegboard hooks — assorted sizes
× 20
~$12
~$6/10-pk
Shelf brackets — 8" L-bracket, zinc or stainless
× 8
~$24
~$3 ea
Corner connector L-brackets — 3" flat zinc
× 16
~$10
~$4/4-pk
Rubber leveling feet — 1" adhesive pads
× 16
~$6
~$5/8-pk
Adhesives, Sealants & Finish
Exterior wood glue — Titebond III (16 oz)
Waterproof, weather-resistant
1 bottle
~$14
Exterior paintable caulk
Seal plywood edges, around sink
2 tubes
~$12
~$6 ea
Plumber's Teflon tape
1 roll
~$3
Exterior deck paint or stain — child-safe water-based
Covers both units; Behr or Cabot at HD
1 gal
~$38
Clear exterior sealer — quart
Counter top moisture protection
1 qt
~$18
Phase 1 — Cut All Material
1
Set up workspace — sawhorses or foam on ground, face down when cutting
30 min
2
Rip plywood to 16" depth (counter tops) and 22" (back wall panels)
1–1.5 hrs
3
Cross-cut all plywood panels to length per cut list
1.5 hrs
4
Cut all 2×4 framing — legs to 19-1/4", rails to length
45 min
5
Sand all plywood panels (120-grit → 220-grit) and seal all edges
1–2 hrs
Phase 2 — Under-Counter Frame
6
Build front and back ladder frames — glue + 3" screws, check square
1–1.5 hrs
7
Connect front and back frames with 13" side rails at each leg pair
45 min
8
Check for level and square — shim or trim legs as needed
20 min
9
Install side panels and internal dividers — glue and 1-5/8" screws
45 min
10
Install cubby bottom shelves — glue and screw, level each shelf
30 min
Phase 3 — Counter Top & Back Wall
11
Install counter top — 1" front overhang, screw up through rails, no exposed heads
45 min
12
Cut sink hole with jigsaw — trace sink, cut 3/4" inside outline, test fit
30 min
13
Attach back wall vertical supports (22") behind counter, every 24"
30 min
14
Attach back wall panel — screw into vertical supports every 8"
30 min
15
Install upper shelves on back wall with L-brackets, level each shelf
30 min
16
Attach pegboard strips with 3/4" spacer washers behind so hooks work
20 min
Phase 4 — Drawers
17
Build drawer boxes — glue + screw all 4 sides, capture bottom, square before glue sets
1 hr
18
Install drawer slides — cabinet member on divider, drawer member on box, test fit
45 min
19
Attach drawer faces — tape in position, drill through, screw from inside, add pulls
30 min
Phase 5 — Handles, Finish & Feet
20
Install carry handles — carriage bolt through each end panel, bolt head outside
30 min
21
Apply finish — sand 220-grit, prime, two coats exterior paint, clear sealer on counter
2–3 hrs + dry time
22
Install rubber feet on all four corners of each unit
15 min
Plumbing & Sink
P1
Drill 1-1/4" hole through back wall, mount brass spigot with Teflon tape
20 min
P2
Connect flexible supply line to spigot, attach hose-to-NPT adapter
15 min
P3
Install sink drain — plumber's putty, basket, tighten nut from below, attach tailpiece
20 min
P4
Set up drain path — bucket in lower cubby OR flex hose to ground soakpit
15 min
P5
Drop in sink, apply silicone caulk perimeter, press down, wipe, cure 24 hrs
20 min + 24 hr cure
P6
Test all connections — connect hose, turn on slowly, check for leaks
15 min

Cost Breakdown

Lumber — 2×4 framing~$168
Plywood — 3/4" exterior (10 sheets)~$460
Plywood — 1/2" (3 sheets)~$105
Cedar 1×4 trim boards~$72
Screws, bolts, fasteners~$45
Drawer slides (4 pairs)~$60
Handles, pulls, carry handles~$55
Stainless bar sink~$89
Plumbing fittings~$65
Pegboard strips + hooks~$28
Shelf brackets, L-brackets, feet~$30
Glue, caulk, Teflon tape~$25
Paint/stain + clear sealer~$52
Subtotal (before tax)~$1,254
Vermont sales tax (6%)~$75
Total with VT tax~$1,329
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