Of course, the real explanation was polystyrene plastic, which hosts polymer chains that straighten out when heated, rolled, and cooled. 1974: Skateboard The Strong - National Museum of Play 1974: Skateboard Original estimated retail price: $20 to $60 Skateboarding began in 1958 when people ...
You will find fake snow paint-like stuff sprayed around window frames, polystyrene beads blown with a fan to produce that snow flurries effect in shop windows, plastic Christmas trees that come ‘pre-snowed’ and there have been publicity stunts of man made snow dumped in the middle of town...