12 Toys That Were Always Missing a Piece
Many classic toys were fun but often ended up missing important pieces, making them incomplete over time.
- Sophia Zapanta
- 4 min read

Children’s toys were designed with small or removable parts that easily got lost. Once a piece went missing, the toy became harder to use or lost its full effect. These 12 toys are remembered just as much for missing parts as for the fun they brought.
1. LEGO Sets
Simeon87 on Wikimedia Commons
LEGO bricks are creative and durable, but the small pieces are easy to misplace. One missing brick could prevent completing a build. Parents often stepped on leftover pieces, proving how scattered they became. Many sets ended up half-built because key parts were gone.
2. Jenga
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Jenga required every wooden block to play properly. Losing even one block made the tower unstable and the game uneven. The blocks often rolled under furniture or got separated from the set. Missing pieces meant it could never stack the same way again.
3. Mr. Potato Head
National Institutes of Health on Wikimedia Commons
Mr. Potato Head came with multiple removable parts like eyes, noses, and arms. These pieces were small and easy to lose during play. Many kids ended up with incomplete sets where the potato had no ears or mismatched parts. Over time, boxes rarely held every original accessory.
4. Hungry Hungry Hippos
Dave Fischer on Wikimedia Commons
The game needed all the little marbles for it to work. Once a few marbles were lost, the game felt incomplete. Replacement marbles were hard to find and never quite matched. Many families ended up playing with fewer marbles than intended.
5. Operation
college.library on Wikimedia Commons
Operation depended on tiny plastic body parts inside the game board. These small pieces were often lost quickly, making the game less fun. Without the full set, it was impossible to play correctly. Many versions in homes were missing at least one organ piece.
6. Mousetrap
Al Smith on Wikimedia Commons
Mousetrap was a fun game but had many small mechanical parts. If even one piece was gone, the trap would not work as designed. Kids often lost the tiny ball or crank pieces. Most households never had a complete, working Mousetrap after a few months.
7. Game of Life
kathryn on Wikimedia Commons
The Game of Life came with cars and small plastic peg “people.” These pegs were easy to lose and often rolled away. Without them, the cars felt empty, and the game lacked its charm. Many sets had mismatched or missing pieces over time.
8. Barrel of Monkeys
Fma12 on Wikimedia Commons
Barrel of Monkeys required linking monkeys together, but losing even a few made it harder to play. The thin arms often caused monkeys to break or bend. A half-empty barrel never worked the same way. It became more frustrating than fun without a full set.
9. Connect Four
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Connect Four relied on all the colored checkers to play fairly. Missing pieces meant one player had fewer options or colors. The discs also easily slid under couches or disappeared during cleanup. Few sets stayed complete for long.
10. KerPlunk
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KerPlunk came with marbles and thin plastic sticks. The sticks often bent or disappeared, leaving the game impossible to play properly. Missing marbles also reduced the fun. A complete set was rare after repeated play.
11. Risk
Demonaire on Wikimedia Commons
Risk came with tiny armies in the form of small plastic pieces. These pieces were easy to lose because there were so many of them. Missing armies made it impossible to play the game correctly. Most long-owned copies had incomplete sets of troops.
12. Battleship
Official Navy Page on Wikimedia Commons
Battleship used small plastic pegs to mark hits and misses. These pegs were among the easiest parts to lose. Without enough pegs, the game became frustrating or unplayable. Most families had boards with only a fraction of the original pieces left.