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THE SPECIMEN LEDGER

Build & Physics

Every price is USD. Every record includes age, supervision and exact box contents.

Circuit Building Blocks educational science kit arranged on a studio table
01Build & Physics

Ages 8+ · 4.9 / 5 from 116 reviews

Circuit Building Blocks

Snap together safe low-voltage light, sound and motion projects.

  • Low-voltage circuit blocks
  • Lamp module
  • Fan module
$42Read field guide
Magnet Science Set educational science kit arranged on a studio table
02Build & Physics

Ages 6+ · 4.8 / 5 from 83 reviews

Magnet Science Set

Make invisible forces visible through playful challenges.

  • Assorted magnets
  • Compass
  • Field viewer
$26Read field guide
Gears & Machines Kit educational science kit arranged on a studio table
03Build & Physics

Ages 7+ · 4.7 / 5 from 58 reviews

Gears & Machines Kit

Build moving mechanisms and discover how gears transfer motion.

  • Gear set
  • Axles and frames
  • Crank pieces
$34Read field guide
Solar & Motion Mini Cars educational science kit arranged on a studio table
04Build & Physics

Ages 8+ · 4.6 / 5 from 49 reviews

Solar & Motion Mini Cars

Build two miniature movers powered by light and stored motion.

  • Mini car chassis
  • Solar motor module
  • Inertia module
$29Read field guide