A big red button with an actual spring inside! The button can be pushed down an entire block's height.The spring is from a disposable ballpoint pen, so it's easy to acquire for anyone. Their
LEGO System MOCs with Building Instructions
Moc 6011 Iron Hero MK42 Avengers Hulkbusters Bricks Toys
LEGO System MOCs with Building Instructions
LEGO System MOCs with Building Instructions
LEGO System MOCs with Building Instructions
LEGO System MOCs with Building Instructions
LEGO MOC Dollar Sign by willcapellaro
Red Storm] MOC Building Blocks Suitable for Lego 8 Grid Car Super Running Assembled Speed Series Boys - AliExpress
Change Log Rebrickable - Build with LEGO
Red Storm] MOC Building Blocks Suitable for Lego 8 Grid Car Super Running Assembled Speed Series Boys - AliExpress
Find LEGO MOCs with Building Instructions
MOCs Designed by Balage64 Rebrickable - Build with LEGO
LEGO® 3028 4248805 - 4585600 - 6212076 - ToyPro